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
Emergency retentive force for the maxillary complete denture is 
Select and explain. 
A. Deep palate, B. Soft palate, C. Posterior palatal seal, D. Base of the tongue
D: Base of the tongue
Answer: D: Base of the tongue 
Explanation: None