【GMAT考满分数学PS题库】The teacher plans to put A,B,C,D and E in five sea_真题_答案_解析 GMAT考满分官网

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题目内容

The teacher plans to put A,B,C,D and E in five seats in the same row. D and E cannot be adjacent. How many arrangements are there?

A64
B68
C72
D76
E80

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正确答案: C

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