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: Pathology
Most common salivary gland tumor - 
Select and explain. 
A. Mucoepidermoid carcinoma, B. Pleomorphic adenoma, C. Warthims tumor, D. Oncocytoma
B: Pleomorphic adenoma
Answer: B: Pleomorphic adenoma 
Explanation: None