If the Price Elasticity of Supply Equals Zero,this Implies That

If the price elasticity of supply equals zero,this implies that:

A) suppliers can easily change the quantity supplied of the product as the price of the product changes.
B) the period under consideration is a very long time period.
C) the supply curve is perfectly vertical.
D) the percentage change in quantity supplied exceeds the percentage change in product price.
E) the percentage change in quantity supplied equals the percentage change in product price.