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': 'Patient with a history of fall presents weeks later with headache and progressive neurological deterioration. the diagnosis is - \nSelect and explain. \nA. Acute subdural hemorrhage, B. Extradural hemorrhage, C. Chronic subdural hemorrhage, D. Fracture skull', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]