Ruben, a 9-Year-Old Boy, Becomes Easily Annoyed and Angry Over

Ruben, a 9-year-old boy, becomes easily annoyed and angry over seemingly everything.He states that he hates his family.His parents are concerned that Ruben argues and blames his brother for his mistakes.Which disorder fits this pattern?

A) Attention deficit disorder
B) Conduct disorder
C) Oppositional defiant disorder (ODD)
D) Major depressive disorder