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: Surgery
[{'content': 'Brain abscess may be due to following- \nSelect and explain. \nA. Chronic suppurative otitis media, B. Chronic lung abscess, C. Trauma, D. Any of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]