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: ENT
Most common nerve injured in ligation of sup thyroid artery - 
Select and explain. 
A. RLN, B. Facial N., C. Mandibular M., D. External laryngeal nerve
D: External laryngeal nerve
Answer: D: External laryngeal nerve 
Explanation: The external laryngeal nerve lies in relation to superior thyroid artery.
The recurrent laryngeal nerve lies close to superior laryngeal artery.