In Dealing with the Insanity Defense, Jurors Must Cope with Which

In dealing with the insanity defense, jurors must cope with which of the following challenges?

A) Limiting media bias by avoiding national and local news during the course of the trial.
B) Deciding if the defendant was mentally incapacitated at the time of the crime.
C) Ascertaining whether the M'Naghten standard or the Durham standard should apply.
D) Determining if the client understands if his or her acts were wrong.