If an Offeror Makes an Offer That States "This Offer

Multiple Choice

If an offeror makes an offer that states "This offer to be open until noon tomorrow," which of the following ends the offer?

A) an inquiry by the offeree
B) the insanity of the offeree
C) revocation of the offer by the offeror before the time specified (i.e.,before "noon tomorrow")
D) a counter-offer by the offeror
E) the selling of the item to someone else before noon tomorrow