Question

【题目】Has she ever asked for the reason________ may explain his coming late？

A.whyB.for whichC.thatD.for that

Answer 1

【答案】C

【解析】

考查定语从句。句意：她有没有问过他迟到的原因吗？结合句意可知，本句是含有定语从句的复合句，先行词是reason（原因），关系代词用that，在从句中作主语，why是关系副词，不能作主语。故选C。