-The Above Figure Shows the Market for Oil

-The above figure shows the market for oil. Because of the development of a new deep sea drilling technology the

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