Question: A 10-year-old boy who had been prescribed fluoxetine for major depressive disorder presents to the psychiatric emergency department for running into the street in front of a car on the way home from school. In the emergency department, he has been selectively mute, but the nurse practitioner student was able to elicit his desire to be dead. He has been medically cleared pending a psychiatric evaluation. What is the most common sign of major depressive disorder in children? A. Weight change B. Hypersomnia C. Psychomotor agitation D. Hopelessness