Dexter Is a Seven-Year-Old Who Often Gets into Fights with His

Multiple Choice

Dexter is a seven-year-old who often gets into fights with his classmates. He does not listen to his teachers and refuses to sit still for extended periods of time. Both his teachers and his parents find it difficult to make him concentrate on one topic for a long period of time. In this scenario, Dexter is most likely suffering from _____.

A) autism
B) dyslexia
C) Asperger's disorder
D) attention deficit/hyperactivity disorder