Which of the Following Is True Regarding Whether an Accepted

Which of the following is true regarding whether an accepted offer to satisfy a debt by paying only part is consideration?

A) Partial payment is consideration under all circumstances.
B) Partial payment is not consideration under any circumstances.
C) Partial payment is consideration if a liquidated debt is involved.
D) Partial payment is consideration if an unliquidated debt is involved.
E) Partial payment is consideration only if a liquidated or unliquidated debt is involved.