The man I was talking is my friend.A. whichB. in whomC. whoseD. to whom

问题补充：

The man I was talking is my friend.

A. which

B. in whom

C. whose

D. to whom

答案：

A. which

B. in whom

C. whose

(答案→)D. to whom

解析：考查定语从句。定语从句To whom I was talking修饰先行词the man; whom指代the man作为介词to的宾语。Talk to sb与某人交谈；结合句意可知D正确。句意：正在和我谈话的那个人是我的朋友。