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单选题
144.Research findings show we spend about two hours dreaming every night, no matter what we during the day.
A
A. must have done
B
B. would have done
C
C. should have done
D
D. may have done
答案解析
正确答案：D
解析：
144.【翻译】研究结果表明：不管我们白天可能做过什么，每天晚上我们都会花大约两个小时做梦【精析】D "musthave +过去分词”表示“一定做了……”，是对过去发生事情的肯定推测；“ would have +过去分 词”常用于表示对过去情况进行虚拟的句子中/•should have +过去分词”表示与过去事实相反的情况，表示“本应该 做……却没有做”；“may have +过去分词”表示对过去情况可能性的推测，意为“可能做了……”根据句意可知, 选D
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