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 tumour of parotid gland is: 
Select and explain. 
A. Pleomorphic adenoma, B. Adenoid cystic carcinoma, C. Cylindroma, D. Epidermoid carcinoma
A: Pleomorphic adenoma
Answer: A: Pleomorphic adenoma 
Explanation: None