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': 'Base of the skul fracture presents with invovlement of the petrous temporal bone, which of the following important sign is seen - \nSelect and explain. \nA. Subconjuctival hematoma, B. CSF rhinorrhoea, C. Raccoon eyes, D. Battle sign', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]