单选题 The police were given an order that the stolen documents must he recovered at all
A. accounts B. conditions
C. payments D. costs

【正确答案】 D
【答案解析】[解析] 本题考查固定搭配。at all costs“不惜任何代价”。句意为：警察局得到命令不惜任何代价要找到失窃的文件。