Ten-Year-Old Wilson Experiences Extreme Mood Swings That Do Not Seem

Ten-year-old Wilson experiences extreme mood swings that do not seem to be influenced by life circumstances. At times he has told his parents that his teachers are idiots and he is smarter than all of them; at other times he has so little energy he cannot get out of bed. Wilson may be diagnosed with _____.

A) autism spectrum disorder
B) a learning disability
C) childhood schizophrenia
D) attention-deficit/hyperactivity disorder