这个句子的时态是()。I have been looking for my lost book for three days, but I still haven’t found it.

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这个句子的时态是()。I have been looking for my lost book for three days, but I still haven’t found it.

A.现在完成时

B.现在进行时

C.现在完成进行时

D.过去完成时

参考答案:

答案:现在完成进行时