Sasha Worries About Her Mother's Cancer So Much That She

Sasha worries about her mother's cancer so much that she cannot concentrate on her schoolwork, which causes her grades to drop. Her continual thoughts about her mother and her trouble concentrating would be considered maladaptive because she

A) deviates from the norm of her family.
B) experiences difficulties adapting to life's demands.
C) expresses personal distress to her therapist.
D) is unlikely to be helpful to her mother.