Within the Context of Defences, Which of the Following Statements

Within the context of defences, which of the following statements is entirely TRUE?

A) All of the defences that are available in response to a claim for an intentional tort operate by proving that the defendant lacked the required intent.
B) Because the intentional torts require proof of the tortfeasor's intention, defendants most often avoid liability by pleading the defence of mistake.
C) Although both may be used in response to the plaintiff's aggression, self-defence is a complete defence but provocation is a partial defence.
D) Contributory negligence, consent, and necessity are all complete defences.
E) The defence of contributory negligence is available in response to a claim in negligence, but not to a claim for an intentional tort.