题目内容
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提问人：网友l******8
发布时间：2023年1月8日 20:17
[单选题]
It is implied in the passage that in the past _____.
A.blue-collar workers worked harder than white-collar workers B.white-collar workers had little difficulty getting good jobs C.there were more white-collar workers than blue-collar workers D.colleges trained more skilled workers than now
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