A. Seeing things that arent there, hearing voices when no one is present, and displaying emotions different from those that one is actually feeling.
B. Irritability, fatigue, insomnia, difficulty concentrating, restlessness, and headaches
C. Racing thoughts, decreased need for sleep, euphoric mood, risk-taking behaviors, and irritability
D. Fatigue, difficulting concentrating, loss of interest in usual activities, poor appetite, guilt, and insomnia