All of the Following Statements About Vitamin a Supplements and Fortified

All of the following statements about vitamin A supplements and fortified foods are true except:

A) rates of blindness and death have declined in countries where children receive vitamin A supplementation.
B) excesses of vitamin A may lead to weakened bones and hip fractures later in life.
C) although some foods have been fortified with vitamin A, the amounts are not high enough to be a toxicity concern.
D) excessive vitamin A intake during pregnancy can lead to birth defects.