考博考试

【单选题】 Consumers deprived of the information and advice they needed were quite simply ______ every cheat in the marketplace.
A．at the mercy of
B．in lieu of
C．by courtesy of
D．for the price of

网考网参考答案：A
网考网解析：
at the mercy of“任……摆布，在……前毫无办法”符合句意。in lieu of替代；by courtesy of在……的允许下；for the price of不是固定用法。 查看试题解析出处>>