The degree of inhibition for non competitive inhibition of an enzyme catalyzed reaction?

Q. The degree of inhibition for non competitive inhibition of an enzyme catalyzed reaction?

A.            Reaches a maxima with increase in substrate concentration and then decreases

B.            Decreases with increase in substrate concentration

C.            Increase with increase substrate concentration

D.            Reaches with increase in substrate concentration

Answer: Reaches a maxima with increase in substrate concentration and then decreases