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
Headache, apathy and deteriorating level of consciousness occurring weeks after head injury suggests; 
Select and explain. 
A. Chronic subdral haematoma., B. Pontine hemorrhage, C. Continuing cerebral., D. Depressed skull fracture.
A: Chronic subdral haematoma.
Answer: A: Chronic subdral haematoma. 
Explanation: Chronic subdral haematoma