This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Surgery
[{'content': "Most common carcinoma of minor salivary gland is? \nSelect and explain. \nA. Pleomorphic adenoma, B. Mucoepidermoid carcinoma, C. Adenoid cystic carcinoma, D. Wahin's tumor", 'role': 'user'}, {'content': 'Answer: C \nExplanation: repeated question.', 'role': 'assistant'}]