According to Your Textbook, What Explains the High Number of Prescriptions

According to your textbook, what explains the high number of prescriptions that have been written for the selective serotonin reuptake inhibitors (SSRIs) , such as Prozac?

A) There is scientific evidence that the SSRIs, especially Prozac, make normal people smarter and more energetic.
B) Prozac and the other SSRIs have been shown to be effective in treating depressive symptoms in about 95 percent of the patients who take them, a much higher improvement rate than any other psychoactive medication.
C) Prozac and the other SSRIs have fewer and milder side effects than earlier antidepressants, although their effectiveness is about the same.
D) Research using positron emission tomography showed that the SSRIs were twice as effective in changing brain chemistry as psychotherapy.