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
A completed denture patient complains that he has pain in his throat during swallowing. This indicates: 
Select and explain. 
A. Over extended PPS, B. Over extended lingual flange, C. Over extended Lingual flange in retromylohyoid region, D. His tonsils are inflammed
C: Over extended Lingual flange in retromylohyoid region
Answer: C: Over extended Lingual flange in retromylohyoid region 
Explanation: None