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': 'In skull fracture, the condition in which an operation is not done immediately is - \nSelect and explain. \nA. Depressed fracture, B. Compound fracture, C. CSF leak, D. Increased size of head', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]