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': 'Headache, apathy and deteriorating level of consciousness occurring weeks after head injury suggests; \nSelect and explain. \nA. Chronic subdral haematoma., B. Pontine hemorrhage, C. Continuing cerebral., D. Depressed skull fracture.', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Chronic subdral haematoma', 'role': 'assistant'}]