If an Offer Asks for Acceptance by Mail and the Offeree

Multiple Choice

If an offer asks for acceptance by mail and the offeree faxes his acceptance:

A) there is no contract,and the offer is revoked.
B) there is a contract if the acceptance is actually received within the time the authorized means would have arrived.
C) the acceptance is merely a counteroffer.
D) there is a contract,but only if the offeree calls the offeror and gets permission to fax the acceptance.