A Car Travels Around an Oval Racetrack at Constant Speed

Multiple Choice

A car travels around an oval racetrack at constant speed.The car is accelerating

A) at all points except B and D.
B) at all points except A and C.
C) at all points except A,B,C,and D.
D) everywhere,including points A,B,C,and D.
E) nowhere,because it is traveling at constant speed.