Which of the following is NOT an exception to the rule of past consideration?

Select one:

a.

Past consideration may be valid if the subsequent promise may be linked to the original request

b.

Past consideration will be valid if it is sufficient

c.

a subsequent promise to pay a debt contracted by a party while under a legal incapacity

d.

a subsequent promise to pay a past debt on which action is barred by the Statute of Limitations