He gets fifty thousand pounds a year I get twenty million, which makes me upset.A. sinceB.

发布时间：2020-08-17 12:15:52

He gets fifty thousand pounds a year     I get twenty million, which makes me upset.
A. since
B. while
C. when
D. as

网友回答

A. since
(答案→)B. while
C. when
D. as
解析：while位于两个并列分句的中间，侧重两个动作的对比。
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