He______for her for one hour by the time she arrived there.

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问题 He______for her for one hour by the time she arrived there.

选项 A、has been waiting
B、has waited
C、had been waiting
D、waited

答案C

解析 本题考查的是主、从句谓语动词时态一致的用法。by the time意思是“到什么时间为止”,从句的时态是一般过去时,说明主句的动作应该发生在从句的动作之前,且主句中有表示一段时间的状语for one hour.所以应该用过去完成进行时,故选项C为正确答案。
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