How is the burden of the tax shared between buyers and sellers?  Buyers bear
A、three-fourths of the burden, and sellers bear one-fourth of the burden.
B、two-thirds of the burden, and sellers bear one-third of the burden.
C、one-half of the burden, and sellers bear one-half of the burden.
D、one-fourth of the burden, and sellers bear three-fourths of the burden.