【GMAT考满分数学PS题库】There are three boys and three girls in a row. No _真题_答案_解析 GMAT考满分官网

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题目内容

There are three boys and three girls in a row. No girl can stand between boys, and no boy can stand between girls. How many different ways to stand in a line?

A8
B16
C36
D72
E64

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正确答案: D

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