This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neck Triangles and parotid gland, Subject name: Anatomy
All of the following are true about lymphatic drainage of tonsil except? 
Select and explain. 
A. Palatine tonsil drains into retropharyngeal LNs, B. Pharyngeal tonsils drain into Retropharyngeal LNs, C. Lingual drains into submandibular, D. Lingual drains into Submental L.N.
A: Palatine tonsil drains into retropharyngeal LNs
Answer: A: Palatine tonsil drains into retropharyngeal LNs 
Explanation: Palatine tonsils drain into - Jugulodigastric L.N. Pharyngeal tonsils drain into - Retropharyngeal L.N Lingual tonsils drain into - Submental L.N., Submandibular L.N.