What Is the Most Likely Result in the Lawsuit Brought

What is the most likely result in the lawsuit brought by Barbara against Walter?

A) Walter will win because he was only engaged in preliminary negotiations.
B) Walter will win because the advertisement was simply inviting customers, such as Barbara, to make an offer.
C) Walter will win because he properly revoked the offer.
D) Barbara will win because the ad would be treated as an offer that she properly accepted.
E) Barbara will win because she properly made an offer that was accepted by Walter when she did the hula hooping.