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: Anatomy
[{'content': 'In the lungs, bronchial arteries supply the bronchopulmonary tree \nSelect and explain. \nA. Till tertiary bronchi, B. Till segmental bronchi, C. Till respiratory bronchioles, D. Till alveolar sacs', 'role': 'user'}, {'content': 'Answer: C \nExplanation: bronchial artery supplies bronchial tree till respiratory bronchiole.', 'role': 'assistant'}]