If Goods J and K Are Substitutes, an Increase in the Price

If goods J and K are substitutes, an increase in the price of J causes:

A) quantity demanded of J to fall and the demand curve for K to shift toward the origin.
B) a decrease in quantity demanded for J and an outward shift of K's demand curve.
C) quantity demanded of J remains constant, but the demand for K decreases.
D) the demand curve for both J and K shift.