When Lloyd Receives His Final Grade in Calculus, He Is

When Lloyd receives his final grade in calculus, he is upset to see that he earned a D, rather than the B he expected. He spends the afternoon berating himself for not doing better on the final exam. In this case, the poor grade is the

A) activating event.
B) belief system.
C) consequence.
D) dispute or challenge.
E) response.