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
Most common malignant tumour of parotid is 
Select and explain. 
A. Acinic cell carcinoma, B. Mucoepidermoid carcinoma, C. Squamous cell carcinoma, D. Adenocystic carcinoma
B: Mucoepidermoid carcinoma
Answer: B: Mucoepidermoid carcinoma 
Explanation: Mucoepidermoid carcinoma is the most common malignant tumor of the parotid gland and can be divided into low-grade and high-grade tumorsRef: Sabiston, 20e, page no: 830