对某班同学的身高进行统计（单位：厘米），频数分布表中165.5到170.5，这一组的学生人数是12，频率为0.2，则该班有______名同学．

—Mum, it is nice weather. I want to skate this afternoon.
—Don't you think the ice on the lake is too thin to ______ your weight

A. stand



B. bear
C. catch



D. take