she was born in 1996 对划线部分提问!———

题目

she was born in 1996 对划线部分提问!———
完全突破力的题哦~
上面那个对 in 1996提问 还有一个：——Do you know the date ____her birth?
——It's February tenth.
A:for B:of C:about D:at

答案

When was she born?
B