Speaker A: Hi Sally! You are talking to the proud father of a new baby girl! Speaker B: _

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Speaker A: Hi, Sally! You are talking to the proud father of a new baby girl! Speaker B: ______

A.I"m glad to know that you have got a new baby.

B.Congratulations! That"s great news. What"s her name?

C.No wonder you look so proud today. I thought you got a promotion.

D.Really? Where is your baby girl now?

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