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: Surgery
Mucoepidermoid carcinoma of parotid arises from - 
Select and explain. 
A. Secretory cells, B. Excretory cells, C. Myoepithelial cells, D. Myofibril
A: Secretory cells
Answer: A: Secretory cells 
Explanation: None