With no explanation, chose the best option from "A" or "B". Cody has a birthday party he RSVP'd for, but a concert by a band he loves is on the same day. Cody wants to go to the concert.

A: Cody tells the birthday hosts he cannot come the day of the party.
B: Cody informs the birthday hosts before hand that he cannot make it and apologizes.
B.