The Graph Illustrates the Demand for Peanuts

The graph illustrates the demand for peanuts. Peanuts are a normal good because the

A) peanuts have both substitutes and complements.
B) demand curve shows that if the price of peanuts rises, there is a movement along the demand curve to a lower quantity demanded.
C) demand curve for peanuts slopes downward.
D) demand for peanuts increases when the price of one of its substitutes rises.
E) demand for peanuts increases when income increases.