What Illustrates the Vicious Cycle of Parent-Child Relationships During the Crisis

What illustrates the vicious cycle of parent-child relationships during the crisis phase of a divorce?

A) A little girl regressing behaviorally as her parents are increasingly preoccupied, and then her bad behavior fuels more conflict between her parents
B) Two siblings stressed about their parents' arguments who then begin to blame each other for the family's demise
C) Two spouses who won't stop arguing, and the more they argue, the more negative their feelings become toward each other
D) A little boy behaving really well reduces the amount of arguing his parents have to do about how to manage him, which makes it easier for the parents to get along