Buyers of a product will bear the larger part of the tax burden, and sellers will bear a smaller part of the tax burden, when
A、a. the tax is placed on the sellers of the product.
B、b. the tax is placed on the buyers of the product.
C、c. the supply of the product is more elastic than the demand for the product.
D、d. the demand for the product is more elastic than the supply of the product.