单选题 The man went to prison, but the two boys ______ with a warning.
A. took off B. got off C. kept off D. set off

【正确答案】 B
【答案解析】get off逃脱惩罚。句意：那个男子坐牢去了，可是那两个男孩只受到警告而没有受到处罚。take off脱下(衣服)，飞机(起飞)；keep off让开，不接近；set off=start off=set out=start out出发。