Why is past consideration not adequate consideration in a present promise?

A) It falls under exceptions to consideration.
B) It does not pertain to the present exchange.
C) It is not covered under the UCC codes for consideration.
D) It involves an issue of moral obligation.

Past Consideration

Something of value that has been given or promised in the past and cannot serve as consideration for a current contract due to its occurrence before the contract was made.

Present Promise

A vow or commitment to take action or uphold terms at the current time.

Moral Obligation

A duty or responsibility that is perceived as ethically required, even though it is not legally enforceable.