Partial performance is an exception to the statute of frauds requirement that a contract be in writing to be enforceable because:

A. the actions of the parties in partially performing the contract demonstrate the existence of the contract and the terms of the contract.

B. once performance of obligations required in a contract begin, that performance must be completed.

C. partial performance is considered to be an admission that the parties to the contract have carefully considered the obligations they assumed in making the contract.

D. under English common law, any action under a contract makes a party to the contract responsible for fully performing the contract.

Which is the correct answer?