The Number of Buyers of Sport Utility Vehicles,SUV,decreases Sharply

The number of buyers of sport utility vehicles,SUV,decreases sharply.So the

A) demand curve for SUVs shifts leftward.
B) demand curve for SUVs shifts rightward.
C) demand curve for SUVs does not shift, nor is there a movement along then demand curve.
D) demand curve for SUVs does not shift, but there is a movement downward along it.
E) supply curve for SUVs shifts rightward.