Answer: C. diminished personal accomplishment
Step-by-step explanation:
Diminished personal accomplishment is a psychological condition in which a person negatively evaluates his or her work, such a person feels insufficiently and experiences a lack of confidence regarding the ability to perform one's job. Such a person also experiences poor professional self-esteem. In such a condition, the person fails to appreciate own efforts and accomplishments.
In the given situation, Enab is experiencing diminished personal accomplishment. As he is not able to appreciate his efforts and convinced with the fact that the respect he gets from students is just because of grades.