Speaker A: Mary wont be coming to work tomorrow.Shes finally going to the photography exhi

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Speaker A: Mary wont be coming to work tomorrow.Shes finally going to the photography exhibit.Speaker B: Oh, then she managed to get tickets after all. Speaker A:______.

A.I"m sure she did

B.After all, she has been trying to get them

C.I think she"ll try to get tickets after work

D.She mustn"t have any difficulty getting tickets

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