PREP1-153的一个问题

长亭更短亭

A recent United States Census Bureau report shows that there are more than three times as many
householdswhere the children and grandchildren are living in their grandparents' home as compared
to households where the grandparents are living in theirchildren'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

这道题答案是B。但我有个问题，B选项把there are去掉之后可否选？是否更好?  还能保持平行结构吗