Answer:
C. negligence
Explanation:
To be successful in a product liability action based on negligence , the plaintiff must prove that the defendant breached a duty of due care to the plaintiff and thereby caused the plaintiff's injuries.
The plaintiff can make a due case that the defendants negligence was the case of due harm which led to all the inconvenience. Although this does not have any evidence, it still has a case to present in front of the judge.