Bobby stole money from the local grocery store on the corner to buy beer. He later assaulted a 72-year-old woman and stole her purse. In the alley, he dumped the purse, went to Starbucks for a cup of coffee, and proceeded to take the train over to the south side. On the train, someone stepped on his shoes, and Bobby threw the hot coffee in the person's face and laughed. Bobby would be considered to have:
a) schizophrenia.
b) dissociative disorder.
c) bipolar disorder.
d) antisocial personality disorder.