标题: 请教一道prep 题目 [打印本页] 作者: gmatziyu 时间: 2010-4-3 23:20 标题: 请教一道prep 题目 24. (25819-!-item-!-188;#058&002130) 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. (A) less than they did (B) less than it did (C) less than they were (D) lower than (E) lower than they were