Which of the Following Statements About Feedback Inhibition in Metabolic

Which of the following statements about feedback inhibition in metabolic pathways is most CORRECT?

A) The product of the pathway inhibits its own production by binding reactants in the metabolic pathway.
B) The product of the pathway inhibits its own production by competitively inhibiting the binding of a substrate to the active site of an enzyme within the metabolic pathway.
C) The product of the pathway inhibits its own production by noncompetitively inhibiting the binding of a substrate to the active site of an enyzme within the metabolic pathway.
D) The product of the pathway inhibits its own production by noncompetitively binding to reactants.
E) All of the choices are correct.