The Parent of a 6-Year-Old Says, "My Child Is in Constant

The parent of a 6-year-old says, "My child is in constant motion and talks all the time. My child isn't interested in toys but is out of bed every morning before me." The child's behavior is most consistent with diagnostic criteria for

A) communication disorder.
B) stereotypic movement disorder.
C) intellectual development disorder.
D) ADHD.