blytheharper16

I had my K-1 visa interview on the 21st March 2019 at the Islamabad Embassy. My time was 8:30am and I reached there an hour earlier along with my daughters who were under the K-2 visa. Everything was going smoothly, I was asked to submit my original bc and copy,divorce certificate, affidavit of support of my fiancé, and the original bc and copy of my daughters and also the medical report. I was asked what language to opt and I opted for English and then I was asked to sit and wait for my final interview. After my wait of 15 minutes, my token number was been called out and I went to the window and there was a very arrogant CO standing. He took the oath and he started asking me like who is calling you and how did I meet my fiancé. When I gave the answer, all he said was that I was lying, I repeatedly told him that no Iam not lying and I asked him to see my documents and evidence that Iam telling the truth, all he said was that he does not want to see my documents and he said it in a very rude way that I was so disappointed. For every question that he was asking, I gave him an answer and for every answer I was giving, all he was saying that Iam lying. He did not even let me talk and he kept interrupting me and he was trying to frighten me by saying that I won't be able to enter the US. and I continuously told him that Iam not lying, I even raised my voice and I repeatedly begged him to see the evidence that my relationship with my fiancé is real. He was so rude and arrogant that he was not listening to what I was saying. In the end he refused my visa and he said that the papers will be sent back to the NVC and he didn't give me any kind paper.  
Can anyone please tell me what do I and my fiancé need to do? We waited so long for this day and some white guy just says that Iam lying without even seeing any evidence. It is so disappointing and heart wrenching that we wait for so long for the whole process and the CO like the one I had an interview with, can easily come up and say anything and behave rudely. 
Kindly suggest what can be done?

I did send an email to the embassy requesting for another interview as the interviewer was unfair and he was very rude and arrogant and I still didn't get any reply from them.

I had my K-1 visa interview on the 21st March 2019 at the Islamabad Embassy. My time was 8:30am and I reached there an hour earlier along with my daughters who were under the K-2 visa. Everything was going smoothly, I was asked to submit my original bc and copy,divorce certificate, affidavit of support of my fiancé, and the original bc and copy of my daughters and also the medical report. I was asked what language to opt and I opted for English and then I was asked to sit and wait for my final interview. After my wait of 15 minutes, my token number was been called out and I went to the window and there was a very arrogant CO standing. He took the oath and he started asking me like who is calling you and how did I meet my fiancé. When I gave the answer, all he said was that I was lying, I repeatedly told him that no Iam not lying and I asked him to see my documents and evidence that Iam telling the truth, all he said was that he does not want to see my documents and he said it in a very rude way that I was so disappointed. For every question that he was asking, I gave him an answer and for every answer I was giving, all he was saying that Iam lying. He did not even let me talk and he kept interrupting me and he was trying to frighten me by saying that I won't be able to enter the US. and I continuously told him that Iam not lying, I even raised my voice and I repeatedly begged him to see the evidence that my relationship with my fiancé is real. He was so rude and arrogant that he was not listening to what I was saying. In the end he refused my visa and he said that the papers will be sent back to the NVC and he didn't give me any kind paper.  
Can anyone please tell me what do I and my fiancé need to do? We waited so long for this day and some white guy just says that Iam lying without even seeing any evidence. It is so disappointing and heart wrenching that we wait for so long for the whole process and the CO like the one I had an interview with, can easily come up and say anything and behave rudely. 
Kindly suggest what can be done?