SB, the Biopsychology Student Who Suffered from Depression, Is the Ideal

S.B., the biopsychology student who suffered from depression, is the ideal case with which to end Biopsychology because

A) his affective disorder was bipolar.
B) he was eventually cured.
C) he demonstrated the importance of independent thinking by researching and challenging his own prescription and by suggesting a better alternative.
D) he was able to help other students.
E) he received drug therapy for a psychological disorder.