An Analysis of the Effect of Excise Taxes on Markets

An analysis of the effect of excise taxes on markets allows us to conclude that:

A) when the price elasticity of supply is equal to zero,an excise tax falls entirely on the consumers.
B) when the price elasticity of demand is lower than the price elasticity of supply,an excise tax falls mainly on the producers.
C) whether the tax is levied on consumers or producers,the quantity sold will be the same.
D) when the price elasticity of demand is higher than the price elasticity of supply,an excise tax falls mainly on the consumers.