题目选项分析

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 there are households where the grandparents are living in their children's or grandchildren's home.

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 those whose grandparents are living in their children's or grandchildren's home.