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
Patient with complete denture complains of pain while swallowing and there is overextension in the distolingual aspect. The muscle involved is: 
Select and explain. 
A. Superior constrictor, B. Palatopharyngeus, C. Palatoglossus, D. Styloharyngeus
A: Superior constrictor
Answer: A: Superior constrictor 
Explanation: None