Answer:
The is because the price of the product is not a factor that causes change in demand
A. the price of onions
D. decreases the quantity of onions demanded and results in a movement up along the demand curve for onions
Explanation:
Change in demand is an increase or decrease in demand caused by every other factors affecting demand save price. Some of the other factors affecting demand are change in price of other goods, change in population size, change in consumer expectation,change in income, e.t.c
The demand for onion cannot change when a change in the price of onions occurs, The only thing that changes isquantity demanded of onions.