The Legal Effect of the Presence of a Superseding Event

The legal effect of the presence of a superseding event is that:

A) the defendant is not liable even if the plaintiff has proved all the elements of negligence.
B) the plaintiff and defendant will share liability.
C) the burden of proof shifts from the plaintiff to the defendant.
D) intent must be proven in addition to the elements of negligence.
E) the defendant is legally liable without further inquiry.