设集合,,则(  ) A.     B.     C.     D.

设集合,则(  )

A.     B.     C.     D.

答案

A

【解析】

【分析】

先由不等式得出集合,再由交集的运算即可求出结果.

【详解】由,即

所以.

故选A

【点睛】本题主要考查交集的运算,熟记定义即可,属于基础题型.

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