Do you know the man is cooking now?A. whatB. whoC. whoseD. which

问题补充：

Do you know the man is cooking now?

A. what

B. who

C. whose

D. which

答案：

A. what

(答案→)B. who

C. whose

D. which

解析：本题考查的定语从句的情况，关系代词的用法，根据先行词为人，所以将AD排除，而能在从句中作主语的成分，只有B符合题意。