单选题
Many manufacturers were accused of concentrating too heavily on cost reduction, often at the ______of the quality of their products.
A、
expense
B、
expansion
C、
exposure
D、
expectation
【正确答案】
A
【答案解析】
[解析] at the expense of sth．以……为代价。at the expense of the quality of products以产品质量为代价。故选A项。
提交答案
关闭