Which of the Following Exemplifies the Revolving Door of Living

Which of the following exemplifies the revolving door of living arrangements?

A) Jane, who is 21 and is living at home with her parents while she attends college
B) Richard, a father of three who returned home to live with his parents after his wife died so that his parents could help raise his children
C) Joey, who is 35, never married, and returns home after losing a job, which occurs about every 8 months
D) Malesia, whose culture encourages extended family living together, even after they are married