Jamie is very angry and tells his friend, "i studied for that test. i should have gotten at least a b. that teacher is so unfair. everything would be great around here if it wasn't for her." according to rebt, jamie's anger is due to

According to REBT, Jamie's anger is due to - c. his irrational and unrealistic beliefs.

Explanation:

In the framework of Rational Emotive Behavior Therapy (REBT), individuals suffer from irrational and unrealistic beliefs, because they think that external factors are responsible for their negative feelings (Jamie's anger), rather than very interpretations such individuals express (I studied for that test… That teacher is so unfair).  

Albert Ellis (1913 – 2007) who developed REBT in 1955, have proposed a diagnostic model that can be applied to Jamie’s case:

the earthquake in haiti was a magnitude of 7.0 according to the u.s geological survey yet the smaller earthquake in haiti killed more than 200,000 and left more than 1.2 million people homeless. the chile earthquake was a magnitude of 8.8 and 500 times more stronger but chile's earthquake only injured 712 people.