Answer: Option (A) is correct.
Explanation:
Any change in the demand for a good occured due to the change in the other factors expect price of that good then this change is known as either increase in demand or decrease in demand.
And if any change in demand for a good occured due to the change in the price of that good, other factors remains constant, then this change is known as either increase in quantity demanded or decrease in quantity demanded.
Therefore, reduction in the price of apples will not cause the demand for apples to increase or decrease.