How Would a Court Determine the Amount by Which to Reduce

Multiple Choice

How would a court determine the amount by which to reduce a plaintiff's award where that party has also acted negligently?

A) by considering the defence alleging contributory negligence by the plaintiff
B) by determining the degree to which a plaintiff is responsible for their own loss
C) by apportioning liability for the loss between all of the joint tort-feasors
D) by determining that the loss sustained was much less than it might have been