A. Periods of mania
B. Delusions and hallucinations
C. Persistent feelings of sadness and loss of interest
D. Obsessive-compulsive behaviors
Answer: Persistent feelings of sadness and loss of interest
What is the main characteristic of a major depressive disorder?
Additional Information: Major depressive disorder is characterized by persistent feelings of sadness, hopelessness, and loss of interest in activities.
Subjects: Psychology