The reason he explained is not I expectedA. why; thatB. why; whatC. that ;whatD. that;

网友回答

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。