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!