皮皮学，免费搜题
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【单选题】
Student A: May I use your computer this afternoon? Student B: I'm sorry, but I have to finish typing this term paper today. Student A: ______A.
Do as you please.
B.
It doesn't matter.
C.
Thank you all the same.
D.
Never mind.
拍照语音搜题，微信中搜索"皮皮学"使用
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A.
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B.
衰退 . 萧条 . 繁荣 . 复苏
C.
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D.
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A.
something has done
B.
has something done
C.
has something been done
D.
something has been done