Aaron Beck Developed His View of Cognitive Therapy After Noticing

Aaron Beck developed his view of cognitive therapy after noticing ____.

A) that people with schizophrenia tend to exhibit paranoia more than any other symptom
B) his own self-defeating ways of thinking
C) a common tendency among his clients who are depressed to have a negative view of themselves and the world
D) that children who have a more pessimistic attitude about their abilities usually grow to be more successful in life than those children who are overly optimistic