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
Sialoliths are most common in the: 
Select and explain. 
A. Stenson duct., B. Wharton duct., C. Bartholin duct., D. Duct of Rivinus.
B: Wharton duct.
Answer: B: Wharton duct. 
Explanation: None