回复：矛盾关于离婚,谢谢!

"在美国除了学校的国际学生办公室,无人知道与A的婚姻" is not ture.
I am 100% percent sure that International Officer system link with USCIS.so USCIS should have your record issuing F2.
If I were you, I chose 写信给USCIS要求更正, it's no big deal. Like a typo