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
When the modified ridge lap pontic is further reduced, they are known as: 
Select and explain. 
A. Lap facings., B. Modified ridge lap facing., C. Concave lap facing., D. None.
A: Lap facings.
Answer: A: Lap facings. 
Explanation: None