Do you know () he expects will give us a talk?A who B whom C that D whose

题目

Do you know () he expects will give us a talk?A who B whom C that D whose

答案

应该是：
A
你知道他希望谁来给我们做演讲吗?
这里,引导词要做从句的从句的主语,所以用who
B只能做宾语
CD意思不符