Bobby, a 13-Year-Old Boy Is Seen at a Clinic

Bobby, a 13-year-old boy is seen at a clinic. He displays the following behaviors: deliberate destruction of others' property, lying to obtain favors, staying out at night without permission, and frequent truancy from school. These behaviors have all been present during the past year and are ongoing. His parents report that this pattern began when Bobby was 9 years old. Bobby would likely receive a DSM-IV diagnosis of

A) oppositional-defiant disorder.
B) conduct disorder, childhood-onset.
C) conduct disorder, adolescent-onset.
D) oppositional-conduct disorder.