I don't doubt he will pass the tomorrow’s exam.A. thatB. whetherC. ifD. which

问题补充：

I don doubt he will pass the tomorrow’s exam.

A. that

B. whether

C. if

D. which

答案：

(答案→)A. that

B. whether

C. if

D. which

解析：考查宾语从句。根据句意可知这里应该是使用肯定的句意，排除BCD。句意：我一点都不怀疑他将通过明天的考试。