A: Ive just heard that the tickets for Swan Lake have been sold out! B: Oh no! ______A.It

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A: Ive just heard that the tickets for Swan Lake have been sold out! B: Oh, no! ______

A.It doesn"t matter.

B.It"s not at all interesting.

C.I was looking forward to it.

D.I knew it already.

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