Why Do Vegans Need to Take Care to Get Enough

Why do vegans need to take care to get enough dietary zinc?

A) Zinc is not widespread in plant foods.
B) The vitamin C in plant foods hinders the absorption of zinc.
C) The form of zinc in plants is less readily absorbed than the form in animals.
D) Binders in plant foods may reduce zinc's availability to the body.
E) Vegans require two to three times as much zinc as people who eat meat products.