This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Breast Milk & Breast Feeding, Subject name: Pediatrics
[{'content': "Compared with cow's milk, mother's milk has more? \nSelect and explain. \nA. Lactose, B. Vitamin D, C. Proteins, D. Fat", 'role': 'user'}, {'content': "Answer: A \nExplanation: Mother's milk has more lactose as compared to cow's milk.", 'role': 'assistant'}]