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
Lingually placed mandibular posteriors will cause all, except 
Select and explain. 
A. Gagging, B. Speech difficulties, C. Excessive pressure on ridge, D. Tongue interference
C: Excessive pressure on ridge
Answer: C: Excessive pressure on ridge 
Explanation: None