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': 'Indoor air pollution does not cause \nSelect and explain. \nA. Chronic lung disease, B. Pregnancy problems, C. Childhood pneumonia, D. Neuro-developmental problems', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Effects of indoor air pollution\n• Acute respiratory tract infections (Pneumonias)\n• Chronic lung disease\n• Lung cancers in adults\n• Adverse pregnancy outcomes (Especially stillbirths)', 'role': 'assistant'}]