The telephone had been ringing for five minutes before it______.A、answeredB、had

游客2024-06-19  16

问题 The telephone had been ringing for five minutes before it______.

选项 A、answered
B、had been answered
C、was answering
D、was answered

答案 D

解析 本题考查动词的时态。分析句子结构可知,本句是一个before引导的时间状语从句,主句部分谓语动词为过去完成进行时,根据句意,before连接的从句部分谓语动词应用一般过去时。鉴于telephone与answer之间为被动关系,因此此处用一般过去时的被动语态(was/were done),D为正确选项。
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