Which of the Following Is a Characteristic of Vitamin a in Foods

Which of the following is a characteristic of vitamin A in foods?

A) Fast foods are generally considered good sources of vitamin A
B) A regular intake of chicken liver is known to induce toxicity in children
C) Xanthophylls in certain vegetables can be converted to active vitamin A in the liver
D) Chlorophyll in vegetables can be converted to active vitamin A in the intestinal cells