The Dominance of Moral Norms Suggests That If a Speed

The dominance of moral norms suggests that if a speed limit on a highway conflicts with a person's moral duty to rush a dying man to the hospital, then

A) the moral duty would be as weighty as the legal duty.
B) neither the legal duty nor the moral duty would apply.
C) the moral duty would take precedence over the legal duty.
D) the moral duty would sanction any method whatsoever of getting the dying man to the hospital.