A College Student Who Usually Gets "Straight-A" Grades Scored a C

A college student who usually gets "straight-A" grades scored a C on a difficult examination.When he received the grade,he began to shake,sweat profusely,and feel sick to his stomach.The best explanation for the student's reaction is that:

A) intense anger associated with the low grade gave rise to acute anxiety.
B) distorted thinking that the low grade would result in failure prompted the response.
C) not receiving the expected grade threatened his self-esteem,causing anxiety.
D) the low grade led to fears of career failure and release of GABA,causing anxiety.