--Huang, would you mind if I used your Pipa for the ing singing petition?
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A. Yes, of course you can.
B. Certainly, please use it.
C. No, you can’t use it.
D. No, go ahead.
网友回答
A. Yes, of course you can.
B. Certainly, please use it.
C. No, you can’t use it.
(答案→)D. No, go ahead.
解析：可联系答.案.网客服索取。