This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fundamentals of Ear, Subject name: ENT
Stylalgia may present with ear pain. Which nerve may refer the pain? 
Select and explain. 
A. Auriculotemporal nerve, B. Posterior auricular nerve, C. Occipital nerve, D. Glossopharyngeal nerve
D: Glossopharyngeal nerve
Answer: D: Glossopharyngeal nerve 
Explanation: Styalgia (aka) eagle syndrome Styloid process pressing on tonsillar fossa and glossopharyngeal nerve passing through here and glossopharyngeal nerve also supply to ear so can cause referred pain to ear.