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问题: 一道高一英语题

--Why,you look tired.
--Yes.I_____awake the whole night.
A was stayed B was staying
C have stayed D stayed
答案选D
为什么不选B可以强调一直持续
能详细解释一下嘛?谢谢啦``

解答:

因为在问这个问题的时候已经是第二天了,晚上熬夜这件事已经过去了,所以没必要强调持续。