With no explanation, chose the best option from "A" or "B". Charlie sees all his friends, including Dave, arrive at his birthday party with gifts. Charlie wants to have the best possible time at his party.

A: Dave gives Charlie a Ferrari he won on a game show, Charlie refuses it because it might hurt the other's feelings.
B: Charlie realizes he's going to get a big gift from Dave, so he waits until everyone else leaves to open it.
B.