The correct answer is B) Oppositional Defiant Disorder.
Given Eric's symptoms, the diagnosable neurological condition that is most appropriate is Oppositional Defiant Disorder.
Oppositional Defiant Disorder or ODD is a behavioral disorder. Children with this disorder are uncooperative. They also are hostile. They show defiant conduct that rebels against people and orders. In the case of Eric, he requires constant supervision at school and displays other antisocial behaviors. His mother reports that Eric refuses to eat what she cooks and will only eat fast food. When a child is diagnosed with ODD, it means that he is hostile towards parents, peers, teachers, and basically to authority figures.
The other options of this question were a) Attention Deficit Hyperactivity Disorder, c) Minimal brain dysfunction, and d) Conduct DIsorder.