How much might the plan cost?A.Fifteen million dollars.B.Five million dollars.C.Fifty mill

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How much might the plan cost?

A.Fifteen million dollars.

B.Five million dollars.

C.Fifty million dollars.

D.Fifty-five million dollars.

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