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: Dental
The lingual extension of a Lower denture is Limited by all of the following (except) 
Select and explain. 
A. Modiolus, B. Mylohyoid muscle, C. Origin of genioglossus, D. Sublingual salivary glands
A: Modiolus
Answer: A: Modiolus 
Explanation: None