单选题
His business was very successful, but it was at the ______ of his family life. A. consumption B. credit C. exhaustion D. expense
【正确答案】
D
【答案解析】consumption意为“消费”；credit意为“信任；信贷”；exhaustion意为“枯竭”；expense意为“费用”，at the expense of为固定短语，意为“以……为代价”。从逻辑关系上来看，but连接的两个意思相互矛盾的分句，expense语义上更为顺接。所以D选项是正确答案。 译文：他的生意做得很成功，但却是以其家庭生活为代价的。