Final answer:
The correct term for an offeror ending an offer is 'terminate'. The offeror has the legal right to revoke the offer before acceptance unless legally bound otherwise.
Step-by-step explanation:
An offeror can end an offer by withdrawing it. The correct answer among the given options is c) Terminate. In legal terms, to terminate an offer means to revoke or withdraw it before it has been accepted. An offeror is free to terminate the offer at any point up until acceptance, assuming there's no binding option agreement or other legal obligations that state otherwise. An offer may also be terminated automatically under certain conditions, such as the expiration of the offer's time limit or the death or insanity of the offeror or offeree.