Answer:
B. A decrease in the price of substitutes.
Step-by-step explanation:
When there is a Decrease in the price of Substitute goods to jogging shoes then more people will demand more of those substitutes.
Because those other goods are Substitutes, an increase in their demand reduces the demand for Jogging shoes because goods that are substitutes are not usually bought at the same time.but rather to replace the other. When more of the jogging shoe substitute are bought, less Jogging shoes will be demanded.