Which of the Following Is True Regarding the Termination of an Offer

Which of the following is true regarding the termination of an offer based on a rejection?

A) Regardless of how long an offeror states that an offer will be held open, once the offeree rejects it, the offer is terminated.
B) Even on rejection, an offer is not terminated until the expiration of the time period for which it was originally to remain open.
C) An offer must remain open for at least two days before it is terminated following a rejection by an offeree.
D) An offer must remain open for at least three days before it is terminated following a rejection by an offeree.
E) An offer must remain open for at least one day before it is terminated following a rejection by an offeree.