This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Surgery
True about branchial anomaly 
Select and explain. 
A. Cysts are more common than sinuses, B. For sinuses surgery is not always indicated, C. Cysts present with dysphagia and hoarseness of voice, D. Most commonly due to 2nd branchial remnant
D: Most commonly due to 2nd branchial remnant
Answer: D: Most commonly due to 2nd branchial remnant 
Explanation: repeated question.