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: Anatomy
[{'content': 'Surgical excision of parotid gland endangers which of the following structures: \nSelect and explain. \nA. Hypoglossal nerve, B. Motor nerve of the muscles of mastication, C. External carotid artery, auriculotemporal nerve, facial nerve, D. Lesser occipital nerve and spinal accessory nerve', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]