John was pressured into buying a longdistance calling package from a salesperson. After making a number of long$-$distance phone calls using the service and getting his first bill, John strongly feels that he has fallen victim to the salesperson's igh$-$pressure sales tactics and wants to get out of the contract. If he can successfully argue that he is the victim of unfair sales practices, what remedy, if any, might be available to him?

A rescission only

B rescission plus damages

damages only

D as John has used the service, he is bound