How do supply and demand work together to influence the price of a product?

A. Buyers set the supply of a good by purchasing it at a specific price, which creates demand among sellers to decrease the price.
B. Sellers create large supplies of products to keep prices low, while consumers lower demand to increase prices.
C. Sellers supply a certain amount of a product based on how much demand they believe it will have at a particular price.
D. Buyers create high demand for products with a large supply, which causes the products' prices to drop.