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 parotid tumor ? 
Select and explain. 
A. Pleomorphic adenoma, B. Adenocystic carcinoma, C. Epidermoid tumor, D. Adenocarcinoma
A: Pleomorphic adenoma
Answer: A: Pleomorphic adenoma 
Explanation: Ans. is 'a' i.e., Pleomorphic