Which of the Following Is Not One of the Critical

Which of the following is not one of the critical elements that emerged from the McNaughton verdict?

A) A defendant must be found to be suffering from a disease of the mind
B) A defendant must not know the quality of the act he/she is performing
C) A defendant must not know that what he/she is doing is wrong
D) A defendant must be able to understand the purpose of criminal proceedings
E) The defendant must not know the nature of the act he/she is performing