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
Most appropriate pontic design is: 
Select and explain. 
A. It should fill the missing teeth area, B. Greater lingual embrasure, C. Should contact mucosa but should not irritate it, D. None of the above
C: Should contact mucosa but should not irritate it
Answer: C: Should contact mucosa but should not irritate it 
Explanation: None