Which statement best defines a major depressive episode according to DSM-5 criteria?

Which statement best defines a major depressive episode according to DSM-5 criteria?

• A. At least five symptoms during a two-week period, including depressed mood or anhedonia, causing clinically significant distress or impairment; not due to substances or another medical condition.
• B. At least three symptoms over a one-month period with impairment.
• C. Two symptoms for two weeks with mood disturbance only.
• D. Four symptoms for three weeks with impairment due to substances.

Answer: (A)