Answer: C diminished personal accomplishment
Step-by-step explanation:
Diminished personal accomplishment is referring to a negative opinion by yourself and the lack of confidence.
This aspect of job burnout is considering minifying of accomplishments of this teacher because he is believing that his teaching is not responsible for the reward and responsible are students who don't like them.
He is convinced in something that he has no proof for. Because of all that, he thinks that he doesn't deserve this kind of reward.