Speaker A: Would you like a copy of Professor Smiths article? Speaker B: ______A.Yes I"d

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Speaker A: Would you like a copy of Professor Smiths article? Speaker B: ______

A.Yes, I"d like to copy his article.

B.Professor Smith"s article? OK, that"s a good idea.

C.Thanks, if it"s not too much trouble.

D.Really? Can you make a copy for me?

请帮忙给出正确答案和分析,谢谢!

热搜:a是b的充分条件,b是a的必要条件吗