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
In which one of the following salivary gland tumors, the tumoris composed of "intermediate cells" histologically? 
Select and explain. 
A. Adenoid cystic carcinoma, B. Mucoepidermoid carcinoma, C. Pleomorphic adenoma, D. Warthin's tumour
B: Mucoepidermoid carcinoma
Answer: B: Mucoepidermoid carcinoma 
Explanation: None