Frank wants to give a watch to his brother Tom. Frank delivers the watch to Jack and tells him to give it to Tom. Jack delivers the watch to Tom the next day. Under these circumstances, the gift is a. effective when Frank delivers the watch to Jack, provided that Frank intends to make a gift. b. not effective because Frank did not personally acknowledge a gift to Tom. c. d. not effective because Frank did not personally give the watch to Tom. effective when Jack delivers the watch to Tom, provided that Tom accepts the gift