单选题 The police had to restrain the prisoners from escaping.
【正确答案】 A
【答案解析】[解析] 本句意思:警察们不得不强行制止囚犯逃走。restrain意为“制止,阻止”,与prevent(阻止)意思相近。reduce减少;disallow不允许;confine监禁。