Which of the Following Is a Feature of Warfarin Use

Which of the following is a feature of warfarin use and vitamin K utilization?

A) Warfarin blocks vitamin K absorption.
B) Orange juice intake interferes with warfarin's effects on vitamin K.
C) Dietary vitamin K intake determines the amount of warfarin prescribed.
D) The tyramine content of aged meats interferes with binding of vitamin K to warfarin.
E) Vitamin K can dangerously potentiate warfarin's anticlotting actions.