Is it true the rain stops it will be as hot as in the summer here? A. whenB. that when

问题补充：

Is it true the rain stops , it will be as hot as in the summer here?

A. when

B. that when

C. whenever

D. that

答案：

A. when

B. that when

C. whenever

(答案→)D. that

解析：that 引导宾语从句，其中包含when引导的状语从句