Choice "A" is correct. A statute of limitations requires that actions to enforce rights under a contract be brought within a certain time after breach has occurred.
Choice "b" is incorrect. The Statute of Frauds, not statute of limitations, is concerned about who has signed a contract.
Choice "c" is incorrect. The right to recover if there was an intentional false statement involves the concept of scienter.
Choice "d" is incorrect. Oral statements offered to prove the meaning of a written contract involves the parol evidence rule.