This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
[{'content': 'Colostrum has in compared to normal milk \nSelect and explain. \nA. Increased proteins, B. Decreased Na+, C. Decreased Vitamin A, D. Increased calories', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]