Answer:
Option a
Step-by-step explanation:
Self-efficacy relates to the confidence of an person in their ability to perform activities required to generate particular performance achievements. Self-efficacy represents faith in the capacity to exercise control of one's own inspiration, actions and physical environment.
Thus , self efficacy place a major role in an individuals expectation from his or her present and future. Therefore, the student getting B is happy as he might be expecting lower grades while the unhappy one might be expected higher.