The Concept of a Crumbling Skull

The concept of a crumbling skull

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