Children undergo many significant changes in their daily life when their parents separate or divorce. These changes often leave children feeling less secure in their attachment to others, which often results in:

Aoutward silliness.
Bnightmares.
Ca fear of abandonment.
Daggressive classroom behavior.

Verified Answer :

CA fear of abandonment makes the most sense. It says the children feel less secure in their attachment to others, meaning they're afraid the people will leave them.