When Parties to a Contract Mutually Agree to Cancel an Old

Multiple Choice

When parties to a contract mutually agree to cancel an old contract and replace it with a new one, which of the following is true?

A) To be enforceable, there must be added features in the new contract benefiting both parties.
B) One party's past performance under the original contract is sufficient consideration for the new contract.
C) The new contract is void.
D) Neither party has a right to make changes to the original contract.