With Regard to the Law of Tort, Which of the Following

With regard to the law of tort, which of the following is false?

A) If the court finds the plaintiff contributorily negligent, causing 20% of his loss, he must suffer that portion of the loss and will not be compensated for it by the defendant.
B) A negligent person causing physical injury to another is responsible to the full extent of the injury suffered, even though the injured person suffered more than would reasonably be expected because of a special weakness.
C) Although a signed consent form appears to be a defence to a claim of battery, the court will look to see if it was informed consent, that is, if the person was told all the relevant facts that would allow a reasonable person to make a decision.
D) An act must be intentional to be classified as a tort.
E) Although a person was not careless and intended no harm, he could still be sued successfully by someone harmed by a dangerous substance that escaped from his property.