In the Final Step of Enzymatic Catalysis

In the final step of enzymatic catalysis,

A) the substrate is released and the enzyme is inactivated.
B) the product is completed and the enzyme is inactivated.
C) the products are released and the enzyme is free to bind other substrates.
D) the enzyme and substrate form chemical bonds with each other resulting in a new product.
E) equilibrium is obtained so that the enzyme does not catalyze further reactions.