The Case of Durham Vs

The case of Durham vs. United States (1954) left the task of defining mental illness to mental health professionals. What was the result of this?

A) Relying on psychiatric testimony has served to confuse the issues because both the prosecutor and defense bring in psychiatric experts, who often present conflicting testimony.
B) Many defendants opted for a plea of insanity.
C) A huge rift developed between mental health professionals and the legal system.
D) The mental health professionals developed a stricter definition than the courts had previously followed.