Final answer:
The elements of a negligence claim in law are duty to act, breach of duty, proximate cause, and damages. The option that does not belong is 'code of conduct', as it is not a recognized legal element of a negligence claim.
Step-by-step explanation:
The subject of negligence in law involves certain critical elements a claimant must establish to prove that the defendant was negligent. These elements are: (A) duty to act, (B) breach of duty, (D) proximate cause, and damages. The correct answer to the student's question is (C) code of conduct, as this is not a recognized element of a negligence claim in the legal context. A code of conduct can inform or influence what is considered reasonable behavior and thus a duty, but it is not an element in itself. Instead, the law looks to whether a duty of care existed, whether that duty was breached, if the breach caused harm, and if there are damages resulting from the breach.