2. 外语
  3. In this experiment, they are wakened several times during the night, and asked to report what they

In this experiment, they are wakened several times during the night, and asked to report what they

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问题 In this experiment, they are wakened several times during the night, and asked to report what they
选项 A、had just been dreaming
B、are just dreaming
C、have just been dreaming
D、had just dreamt
答案C
解析 句中已给出频度状语several times，说明要用完成时态，同时句子的时态定位是现在时they are wakened，显然不能用过去完成时，所以选C。
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