Correct option is B
Milk in Vegetarian Diet:
✅ Protein is the only animal-derived nutrient obtained from milk in a vegetarian diet.
Specifically casein and whey proteins, which are high-quality complete proteins.
Other Nutrients:
❌ Vitamins – Mostly obtained from plants; Vitamin B12 (animal-source) is low in milk.
❌ Minerals – Found in many plant-based foods too.
❌ Carbohydrates – Come from plant sources (grains, fruits, etc.), not animals.