题目内容
Only after the teacher explained it to me a second time _____ the question.
A. did I understand B. I had understood
C. had I understood D. I did understand
A
【解析】
试题分析:考查倒装结构。Only引导的条件状语从句要用倒装,explained是用的一般过去时,而我明白是发生在解释之后,所以用一般过去时就行,过去完成时在这行不通。句意:老师向我解释了之后我才明白了这个问题。故选A。
考点:考查倒装结构。
练习册系列答案
相关题目