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: Dental
[{'content': 'The blood supply of the pulp is \nSelect and explain. \nA. Branches of maxillary artery, B. branches of internal carotid artery, C. Both, D. none', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Pulp is supplied by the various branches of maxillary artery.', 'role': 'assistant'}]