Question

【题目】It was the middle of the night _____the sound of the piano woke me up.

A.becauseB.ifC.whenD.although

Answer 1

【答案】C

【解析】

句意：正是半夜钢琴声把我吵醒了。

A. because因为；B. if如果；C. when 当……的时候；D. although尽管，虽然。根据下文the sound of the piano woke me up.可知这里是when引导的时间状语从句。根据题意，故选C。