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
In the triangle formed by projection of the orifices of the canals of maxillary molars 
Select and explain. 
A. Line connecting lingual with mesial is longest, B. Line connecting mesial to distal is longest, C. Line connecting distal to lingual is longest, D. All lines are equal
A: Line connecting lingual with mesial is longest
Answer: A: Line connecting lingual with mesial is longest 
Explanation: None