Whose Signatures Are Needed in Order to Satisfy the Statute

Whose signatures are needed in order to satisfy the Statute of Frauds?

A) Only the signatures of witnesses to the agreement are required.
B) Only the signature the party, attempting to enforce the contract, is required.
C) Only the signature of the party against whom enforcement is being sought.
D) Only the signature of the third party to the contract, the beneficiary, is required.