This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition, Subject name: Pediatrics
[{'content': 'Compared with Cow&;s milk, mothers milk has more \nSelect and explain. \nA. Lactose, B. Vit D, C. Proteins, D. Fats', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Lactose is in a high concentration(6-7 g/dl) in breast milk. Lactose helps in absorption of calcium and enhances the growth of lactobacilli. Ref: Page 150, Ghai essential pediatrics; 8th edition', 'role': 'assistant'}]