In the Absence of a Time Condition in an Offer,the

In the absence of a time condition in an offer,the offer will expire ________.

A) after twenty-four hours from the time the offeror made the offer
B) after five business days from the time the offeror made the offer
C) after thirty calendar days from the time the offeree received the offer
D) after sixty calendar days from the time the offeree received the offer
E) after the lapse of a reasonable period of time