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
Pleomorphic adenoma arises from 
Select and explain. 
A. Myoepithelial cells, B. Acinar cells, C. Connective tissue, D. Stem cells
A: Myoepithelial cells
Answer: A: Myoepithelial cells 
Explanation: None