Employment costs rose 2.8 percent in the 12 months that ended in September, slightly less than they did in the year that ended in the previous quarter.
less than they did
less than it did
less than they were
lower than
lower than they were
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未划线部分有两个in, 直接省略导致歧义,因此杀D costs复数主谓一致,杀B 费用是多少,不是高低,杀DE 平行,杀C
未划线部分有两个in, 直接省略导致歧义,因此杀D
costs复数主谓一致,杀B
费用是多少,不是高低,杀DE
平行,杀C
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