Do you know the girl to ____ your class teacher is talking?

问题描述:

Do you know the girl to ____ your class teacher is talking?
A. that
B. whom
C. who
D. which
答案是B

只能选B 因为在介词后面,要用宾格whom ,句子大意是,你认识那个正在和你们班主任交谈的女孩吗?