I have a good friend would like to speak to you.
A. which
B. what
C. who
D. whom
网友回答
A. which
B. what
(答案→)C. who
D. whom
解析：
试题分析:此题考查定语定语从句的引导词的问题，此句的含义是我有个好友，他很喜欢和你聊天。其中would like to speak to you是定语从句来修饰名词短语a good friend。因被修饰的名词短语是人，且在理论上要充当定语从句的主语故用who来引导，故选C。