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': 'The most common tumor of the minor salivary gland is \nSelect and explain. \nA. Mucoepidermoid carcinoma, B. Acinic cell carcinoma, C. Adenoid cystic carcinoma, D. Pleomorphic adeno carcinoma', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The 90% of minor salivary gland tumours are malignant-commonly adenoid cystic carcinomas 10% are benign commonly pleomorphic adenomas SRB,5th,420.', 'role': 'assistant'}]