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
Non- inflammatory, non- neoplastic enlargement of the salivary gland is: 
Select and explain. 
A. Sialadenoma., B. Sialosis., C. Sialadenosis., D. Both BC
D: Both BC
Answer: D: Both BC 
Explanation: None