单选题 If an integer n is divisible by both 6 and 8, then it must also be divisible by which of the following?

【正确答案】 B
【答案解析】[解析] 能被6整除，则该数一定能被2和3整除；能被8整除，则该数一定能被2和4整除；去掉相同的因子，则n一定能被3和4整除，而3和4是互质数，所以n一定能被3×4=12整除。