She was often late for school made her teacher very angry.A. thatB. itC. whichD. what

问题补充：

She was often late for school, made her teacher very angry.

A. that

B. it

C. which

D. what

答案：

A. that

B. it

(答案→)C. which

D. what

解析：本题是以which引导的非限制性定语从句,它表示前面的整个句子,即she was often late for school.