Bruce is a 26-year-old single male who was arrested for setting a series of fires in the warehouse district. a forensic psychologist is evaluating bruce to determine if he is competent to stand trial. fire investigators believe bruce has set over 25 fires during the past 18 months. bruce was finally arrested when media videos showed him in the crowd at the location of each fire. although he would not acknowledge that he set the fires, he said that watching firefighters was "exciting." investigators also discovered that bruce had applied three times to be a firefighter but he was rejected each time because his answers in the interview were inappropriate. according to bruce's mother, he has been setting fires since age 6. he began to set small fires in his older sister's bedroom with a couple of friends. later his mother found bruce lighting a doorframe on fire with a cigarette lighter. he was expelled from school at age 10 for setting fires in garbage cans near the cafeteria. she had taken him to a mental health professional because she was worried he would set their house on fire while she and his three sisters were asleep. he was placed in a group home, but ran away multiple times. bruce was arrested at age 13 and placed in juvenile detention for a year after setting a fire that destroyed a public bathroom.

what is the most likely diagnosis for bruce?
a. antisocial personality disorder
b. unspecified disruptive, impulse-control and conduct disorder
c. pyromania
d. conduct disorder