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: Anatomy
Internal laryngeal nerve supplies? 
Select and explain. 
A. Cricothyroid muscle, B. Vocalis, C. Mucous membrane below vocal fold, D. None of the above
D: None of the above
Answer: D: None of the above 
Explanation: D i.e. None