What Happens If You Eat a Diet Deficient in Vitamin

What happens if you eat a diet deficient in Vitamin A?

A) Nothing, because humans can make their own vitamin A
B) Nothing, as long as you're eating enough nutrient-rich rice to replace vitamin A with other vitamins
C) It results in eye damage and susceptibility to infections.
D) It results in kidney damage and skin rashes.
E) It can result in sudden death, with no warning symptoms.