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【题目】When Alice woke up, she didn’t know how long she ______ there.

A.was lyingB.layC.has been lyingD.had been lying

【答案】D

【解析】

考查过去完成进行时。句意:当Alice醒来时,她不知道自己在那里躺了多久了。“woke up”是过去的动作,“didn’t know”也是过去的动作,不知道的事是发生在此之前的动作,根据句意,指从“过去的过去”某一个时间点开始的动作或状态,一直延续到过去,用过去完成进行时,故选D

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