Answer:
A.antisocial personality disorder
Explanation:
A person with an antisocial personality disorder is characterized by having impulsive behaviors and breaking the norms. Bobby shows no responsibility for his evil actions and ignores the rights and feelings of others. In addition to not showing guilt or regret for his behaviors, such as when he assaulted the old woman or threw hot coffee in the face of a stranger. Far from feeling bad, he laughed.