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
The embrasure areas in the following areas are continuous 
Select and explain. 
A. Labial and Lingual, B. Lingual and Occlusal, C. Incisal and Occlusal, D. Labial and Occlusal
A: Labial and Lingual
Answer: A: Labial and Lingual 
Explanation: None