Since she left home, I have been worried about her and _____ well at all.A.was sleepingB.wasn’t sleepingC.haven’t been sleepingD.have been sleeping
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C解析这题考查时态：时间是：Since she left home,而且并列的动作是：have been worried所以用现在完成进行时，而且根据句意：自从她回到家，我一直担心她，一直没睡好。选C。