Which Statement About the Nutrient Content of Genetically Modified Foods

Which statement about the nutrient content of genetically modified foods is true?

A) Genetic modification changes proteins,but no other nutrients in GM foods.
B) Genetic modification often causes the loss of important nutrients.
C) Genetic modification only enhances the nutrients in a food.
D) If the nutrient content of the food has been changed,it must be labeled to disclose the change.