When Alice came to life, she did not know how long she there. A．had been lying B
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When Alice came to life, she did not know how long she ________ there.
A．had been lying
B．has been lying
C．was lying
D．has lain
试题答案
A
解析：根据全句的过去时态判断，did not know后面的宾语从句也应用过去时态，可排除B、D两项；how long表示一段时间，应与完成时连用，所以应选A项的过去完成进行时。