单选题:箱子里面有红、白两种玻璃球。红球数比白球数的3倍多两个,每次从箱子里取出7个白球、15个红球。如果经过若干次以后,箱子里

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箱子里面有红、白两种玻璃球。红球数比白球数的3倍多两个,每次从箱子里取出7个白球、15个红球。如果经过若干次以后,箱子里只剩下3个白球、53个红球,那么,箱子里原有红球比白球多多少个?(  ) A.102
B.104
C.106
D.108

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