标题: 新prep2-206 分词在主系表结构中的问题 [打印本页] 作者: yaao 时间: 2011-10-1 17:17 标题: 新prep2-206 分词在主系表结构中的问题 For the first time in the modern era, non-Hispanic Whites are officially a minority in California, which amounts to a little less than half the population of the state, down from nearly three-quarters only a decade ago.
A.which amounts to a little less than half the population of the state, down from nearly three-quarters only a decade ago
B.which amounts to a little less than half the population of the state, down from a decade ago, when it was nearly three-quarters
C.and that amounts to a little less than half the population of the state, down from a decade ago, when they were nearly three-quarters
D.amounting to a little less than half the population of the state, down from nearly three-quarters a decade ago(D)
E.amounting to a little less than half the population of the state, down from what it was a decade ago by nearly three-quarters