In which of the following situations will an offer be terminated?
A.
When a letter of revocation is posted
B.
When a third party, who is sufficiently reliable, verbally notifies the offeror of the offeree's revocation
C.
When an offeree enquires whether the offeror will accept payment by credit card rather than cash
D.
When an offeror dies, the offeree is unaware of the death and the contract is not of a personal nature