1. According to Interstudy, a nonprofit organization that studies health maintenance organizations (HMO’s), they estimate that, in comparison to last year, when only 36 percent of the nation’s 607 HMO’s was profitable, this year 73 percent will be.
(A) they estimate that, in comparison to last year, when only 36 percent of the nation’s 607 HMO’s was profitable, this year 73 percent will be
(B) compared to only 36 percent of the nation’s 607 HMO’s being profitable last year, they estimate 73 percent would be this year
(C) only 36 percent of the nation’s 607 HMO’s were profitable last year; it estimates that this year 73 percent will be
(D) it estimates 73 percent of the nation’s 607 HMO’s would be profitable this year; last year that was only 36 percent（C）
(E) only 36 percent of the nation’s 607 HMO’s last year were profitable, whereas they estimate it this year to be 73 percent
为什么C 选项中的WERE 是对的呢？？？
表示部分不是都用单数码？？？
谢谢大家
allen0018：你好！
强烈推荐先参考GMAT大区各版块的置顶贴，好东东多多！相信它们可以解决你大部分问题。
本语法区置顶贴有：
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