---- Why don’t you try to do exercise to lose weight?
---- I have tried everything but it has made no .
A. use
B. result
C. conclusion
D. difference
网友回答
A. use
B. result
C. conclusion
(答案→)D. difference
解析：考查词义辨析。Use 用途，result 结果，conclusion 结论，difference 不同，句意：你为什么不试着锻炼身体减肥呢？我已经什么都试过了，但是没有什么不同。所以选D。