He is working hard will make him pass the final exam. A. that B. which C. for which D. wh

问题补充：

He is working hard, will make him pass the final exam.

A. that

B. which

C. for which

D. who

答案：

A. that

(答案→)B. which

C. for which

D. who

解析：非限制性定语从句常用which引导,which表示前句话的整个含义.