问题补充:
The reason he explained is not I expected.
A. why; that
B. why; what
C. that ;what
D. that; that
答案:
A. why; that
B. why; what
(答案→)C. that ;what
D. that; that
解析:考查定语从句及宾语从句。句意:他解释的原因不是我想要的。前文先行词the reason为定语从句的逻辑宾语,故指物的引导词只能使用that,下文宾语从句缺少逻辑宾语,故引导词用what,选C。