She woke up feeling exhausted because she ___ very well.A.did not_英语解答

She woke up feeling exhausted because she ___ very well.
A.did not sleep B.was not sleeping C.had not slept D.would not sleep
为什么选C?请解释下考点.

人气：354 ℃　时间：2020-06-20 02:43:15

解答

woke up 是过去时,没睡好的动作在睡醒之前,过去的过去,用完成时
考点：时态语态