A Man Goes Hunting with a Friend and While in the Field

A man goes hunting with a friend and while in the field has a dizzy spell. When the hunter falls to the ground his gun goes off, killing his friend. Could he be convicted of murder?

A) No, if he can convince the jury that the act was involuntary.
B) No, since his friend volunteered to go hunting with him and knew the risks.
C) Yes, since he was careless and negligent.
D) Yes, since hunters have a special duty of care, which is greater than the average person.