Kitty and Dennis Are About to Experience a "Boomerang Effect

Multiple Choice

Kitty and Dennis are about to experience a "boomerang effect" with their children.How should they prepare?

A) Get ready for a major fight about autonomy and about how teens are adults and should be treated like adults and given their freedom.
B) Pack the car because their last child is heading off to college.
C) Smile because their adult children are in the process of repaying them for past financial support they received as kids. 
D) Make up the spare room because one of their children is about to move back home.