Bobby Goes to Sammy's Electronics to Buy a CD Player

Bobby goes to Sammy's Electronics to buy a CD player.In testing one model,Bobby notices that the "scan" function does not allow scanning once a CD is playing.Bobby purchases the model despite this without mentioning the defect to Sammy.Bobby takes the CD player to his office where he uses it for three months before deciding that he wants to return it.Under these circumstances:

A) Bobby has rejected the CD player.
B) Bobby has accepted the CD player.
C) if Bobby informs Sammy of the defect now,he can reject the CD player.
D) a court will not consider Bobby to have accepted the CD player because it is defective.