【题目】The reason _____ he missed this class was different from the one _____ you explained to me.
A.that; whyB.why; thatC.which; thatD.why; why
在线课程【答案】B
【解析】
考查定语从句的关系词。句意：他缺课的原因和你向我解释的不一样。分析句子可知_____ he missed this class为定语从句，修饰先行词the reason，在从句中做原因状语；_____ you explained to me也为定语从句，修饰先行词 the one，在从句中做宾语，故选B。