Which of the Following Statements Is True of Defenses to a Negligence-Based

Which of the following statements is true of defenses to a negligence-based product liability action?

A) For misuse of a product to constitute a valid defense, the misuse must be unreasonable or unforeseeable.
B) An employee using an unsafe machine at work is presumed to have assumed the risk.
C) If contributory negligence is proved, the plaintiff can recover for only that portion of the harm attributable to the defendant's negligence.
D) If pure comparative negligence is proved, the plaintiff is barred from recovery.