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
The mucosa of the posterior third of the tongue is supplied by 
Select and explain. 
A. Facial nerve, B. Trigeminal nerve, C. Mandibular nerve, D. Glossopharyngeal nerve
D: Glossopharyngeal nerve
Answer: D: Glossopharyngeal nerve 
Explanation: None