Answer:
The correct answer is c. his irrational and unrealistic beliefs.
Step-by-step explanation:
R.E.B.T also known as Rational Emotive Behavior Therapy is a form of psychological therapy which involves the belief that is not the event that happens that causes the emotions but its the beliefs that causes the emotions to anger us or feel depressed or anxious. We can see that in Jamie's case he's very angry because of his beliefs, he believed he would get at least a B, therefore the cause of his anger are his irrational and unrealistic beliefs.