【单选题】On the 13th slide of the PPT, there is a long passage begging with “The last thing Caitlin Hipp would have ...". What is the main idea for the passage?
A.
It explains the phenomenon that more young Americans would like to live with their parents and its possible causes and influence.
B.
It explains the phenomenon that more young Americans would like to live on their own and its possible causes and influence.