Since Carter's Mother Suffers from Depression and His Father from Alcohol

Multiple Choice

Since Carter's mother suffers from depression and his father from alcohol use disorder, Carter is often neglected; but he has a supportive group of friends. Despite his family circumstances, he maintains a positive outlook. What may be helping Carter to maintain his positive attitude?

A) low intelligence
B) his adult support system
C) low problem-solving ability
D) a high cortisol level