It s the first time that she has been to the museum ______?A.isn"t itB.hasn"t itC.isn"t s

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It s the first time that she has been to the museum ,______?

A.isn"t it

B.hasn"t it

C.isn"t she

D.hasn"t she

请帮忙给出正确答案和分析,谢谢!

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