已知各项不为0的等差数列{an}满足a4-2a27+3a8=0，数列{bn}是等比数列，且b7=a7，则b2b8b11等于（　　）A

nowrap;wordSpacing:normal;wordWrap:normalx22>a27+3a8=0，数列{bn}是等比数列已知各项不为0的等差数列{an}满足a4-2

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font-size:sub:nowrap;wordSpacing:normal，则b2b8b11=b72+2a5?b7q?b7q4=b73=23=8．故选：D．:nowrap;wordSpacing:normal:90%">72=0:sub:sub:sub;wordWrap:normal">a7-2a2(a6+a8=0:90%">72+2a7=2．则b7=a7=2．又数列{bn}是等比数列:sub:sub;font-size;wordWrap:normal">4a2