单选题:从1、2、…、11这十一个自然数中,随机抽取五个不同的数,则这五个数的和为偶数的取法有多少种?(  )

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题目内容:
从1、2、…、11这十一个自然数中,随机抽取五个不同的数,则这五个数的和为偶数的取法有多少种?(  ) A.220
B.226
C.231
D.236
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