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已知数列中,,则= ( ) A. B. C. D.

已知数列6ec8aac122bd4f6e中,6ec8aac122bd4f6e,则6ec8aac122bd4f6e=                         (     )

A.6ec8aac122bd4f6e           B.6ec8aac122bd4f6e           C.6ec8aac122bd4f6e        D.6ec8aac122bd4f6e

 

C 【解析】因为根据题意可知数列是等差数列公差为3,首项为5,那么可知数列的通项公式为,选C
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