Refer to the figure above. Suppose that only demand has suddenly shifted to the left. To restore equilibrium, this market will have an immediate:

A.excess demand, which will cause prices to fall to a new equilibrium.

B.excess demand, which will cause prices to rise to a new equilibrium.

C.excess supply, which will cause prices to fall to a new equilibrium.

D.excess supply, which will cause prices to rise to a new equilibrium.

正确答案：excess supply, which will cause prices to fall to a new equilibrium.