希望有详细的解析。

来源：百度知道 编辑：UC知道 时间：2024/06/01 04:13:05
In this experiment,they are wakened several times during the night,and asked to report what they ____. A.had just been dreaming B.are just dreaming C.just dreamt D.have just been dreaming 为什么不选A而选D

过去完成时...

过去完成时：
过去进行时表示过去某一段时间或某一时刻正在进行的动作。常与之连用的时间状语有，at that

time/moment, (at) this time yesterday (last night/Sunday/week…), at+点钟+yesterday (last

night / Sunday…)，when sb. did sth等时间状语从句。