---Do you know Mr. Smith?-Yes. He is the man has short black hair.A. whichB. whyC. who

问题补充：

---Do you know Mr. Smith?

---Yes. He is the man has short black hair.

A. which

B. why

C. who

D. when

答案：

A. which

B. why

(答案→)C. who

D. when

解析：本句考查的是定语从句，关系代词、关系副词的选择要根据先行词，以及它在从句中所做的成分，在本句中，先行词为the man 表示人，因此只能选C