单项选择题

W: Have you had the brakes(刹车) and tires(轮胎) checked And do you have enough moneyM:______

A.No. I' m going to buy some brakes and tires.
B.I've taken care of everything and I' m sure it's going to be a wonderful trip.
C.I'll buy some traveler' s checks for my trip.
D.I have finished the brakes and tires and I have no problem with money.