-The Figure Above Shows the Market for Chocolate

-The figure above shows the market for chocolate. People become more concerned that eating chocolate causes them to gain weight, which they do not like. As a result, the

A) demand curve shifts from D1 to D2 and the supply curve shifts from S1 to S2.
B) demand curve shifts from D2 to D1 and the supply curve does not shift.
C) demand curve does not shift, and the supply curve shifts from S1 to S2.
D) demand curve shifts from D2 to D1 and the supply curve shifts from S2 to S1.