This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pharynx, Subject name: ENT
Wof are components of Waldeyer&;s ring 
Select and explain. 
A. Lingual tonsil, B. Nasopharyngeal tonsil, C. Tubal tonsil, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: WALDEYER'S RING Scattered throughout the pharynx in its subepithelial layer is the lymphoid tissue which is aggregated at places to form masses, collectively called Waldeyer's ring. The masses are: 1. Nasopharyngeal tonsil or the adenoids 2. Palatine tonsils or simply the tonsils 3. Lingual tonsil 4. Tubal tonsils (in fossa of Rosenmuller) 5. Lateral pharyngeal bands 6. Nodules (in posterior pharyngeal wall). Ref:- Dhingra; pg num:-238,239