153. (33147-!-item-!-188;#058&006555)
A recent United States Census Bureau report shows that there are more than three times as many households where the children and grandchildren are living in their grandparents' home as compared to households where the grandparents are living in their children's or grandchildren's home.
(A) as compared to households where the (B) as there are households where the (C) as those whose (D) than compared to those where the (E) than there are whose
答案是B.通过排除法可得.但我还是想知道这里的there are是干嘛的,不应该是和前面的there are平行吧..baidu了一下有论坛讨论了,但仅仅用"惯用法"来解释..
麻烦大家指教了...
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