Which Statement Is NOT True About Enzyme Inhibition

Which statement is NOT true about enzyme inhibition?

A) In competitive inhibition, the inhibitor binds to the active site of the enzyme.
B) In noncompetitive inhibition, the inhibitor binds to the allosteric site of the substrate.
C) In irreversible inhibition, a poison binds to the enzyme so that it can never work again.
D) Most inhibitors act in a reversible fashion.
E) All of the statements are true.