Correct Answer: A
Explanation:
Lecithin is a generic term to designate any group of yellow-brownish fatty substances occurring in animal and plant tissues composed of phosphoric acid, choline, fatty acids, glycerol, glycolipids, triglycerides, and phospholipids (e.g., phosphatidylcholine, phosphatidylethanolamine, and phosphatidylinositol). Cholesterol and oil are belongs to lipids while vitamins includes calciferol (vitaminD2) and cholecalciferol (vitamin D3).