In Which of the Following Circumstances Will a Debtor Have

In which of the following circumstances will a debtor have failed to provide sufficient consideration for a creditor's promise to waive the balance of a debt?

A) The debtor makes the part payment earlier than the originally agreed due date.
B) The debtor spends the balance of his money in reliance on the creditor's promise.
C) The debtor makes the part payment in a different currency.
D) The part payment is made by a third party rather than by the debtor.