An Attorney Says, "My Client Has a Mental Disorder That

An attorney says, "My client has a mental disorder that made it impossible, at the time of the crime, to have intended to do harm. Because of this, he is not legally responsible for his actions." The attorney is arguing for ________

A) involuntary commitment.
B) the Tarasoff principle.
C) deinstitutionalization of his client.
D) an insanity defense.