In a Creditor Beneficiary Situation,who Are the Parties to the Contract

In a creditor beneficiary situation,who are the parties to the contract that creates the creditor-beneficiary relations?

A) the original debtor and the second-hand purchaser of the item connected with the debt
B) the original creditor and the second creditor
C) the original creditor and the original purchaser of the item connected with the debt
D) the original creditor and the second-hand purchaser of the item connected with the debt
E) the second creditor and the original purchaser of the item associated with the debt