The man went to prison, but the two boys ______ with a warning.
 
【正确答案】 B
【答案解析】 句意:这个男人进了监狱,但这两个男孩只受到警告,逃脱了惩罚。take off模仿。get off(做坏事后)逃脱惩罚。keep off远离。set off出发。