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
Structure damaged most commonly during Surgery on Ranula is? 
Select and explain. 
A. Lingual Aery, B. Lingual Nerve, C. Submandibular duct, D. Sublingual duct
C: Submandibular duct
Answer: C: Submandibular duct 
Explanation: Submandibular duct REF: Clinical surgery: Volume 9 Head and neck edited by Charles Rob, Rodney, Smith page 56 "The treatment of ranula constitutes a problem, owing to the technical difficulty of complete excision without damage to adjacent structures such as the submandibular duct"