Which Statement Describes a Feature of Iron Nutrition in Vegetarians

Which statement describes a feature of iron nutrition in vegetarians?

A) Vegetarians adapt to absorbing iron more efficiently and decreasing iron losses.
B) Iron utilization is inhibited by the high zinc content in grains.
C) The absorption of iron is low owing to the high vitamin C intake.
D) More iron deficiency is found in vegetarians than in people eating a mixed diet.
E) There are no differences in iron intake or utilization in vegetarians.