The Concept of a Crumbling Skull

The concept of a crumbling skull

A) allows the plaintiff to recover damages for the full extent of his or her loss, as long as it was reasonably foreseeable that the defendant's negligence would cause a normal person to suffer some injury.
B) is exactly the same as the concept of a thin skull.
C) does not exist in Canadian law.
D) allows a court to find that the defendant did not owe a duty of care to the plaintiff.
E) allows the plaintiff to recover some damages when the defendant's negligence hastens the occurrence of a loss that the plaintiff eventually would have suffered in any event.