I ______ the time ______ so quickly.
A．didn’t realize; had passedB．don’t realize; passed
C．haven’t realized; passedD．hadn’t realized; had passed
A

試題分析：句意：我沒有意識到時(shí)間過得那么快�！皼]有意識到”這個(gè)動作發(fā)生在過去，而“時(shí)間過得那么快”是發(fā)生在“沒有意識到之前”因此，用過去完成時(shí)。
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