Which Statement Is True About the Treatment of Major Depression

Which statement is true about the treatment of major depression?

A) Patients can wean themselves off the medication as soon as they start to feel better.
B) The preferred route of administration is SL.
C) Treatment must be continued for at least 4 to 9 months.
D) If the patient is taking antidepressants as prescribed, the family does not have to worry about suicidal tendencies.