Osmund, a 12-Year-Old, Refuses to Speak to Anyone, Pushes His

Multiple Choice

Osmund, a 12-year-old, refuses to speak to anyone, pushes his mother away when she tries to hug him, and avoids all forms of social contact. Osmund is most likely to be diagnosed with _____.

A) phenylketonuria
B) attention deficit hyperactivity disorder
C) autism
D) Huntington's disease