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 maxillary 1st premolar will typically demonstrate which type of pulpal configuration: 
Select and explain. 
A. DOUBLE root with 2 root canals., B. SINGLE root with 2 root canals., C. Any of the above., D. None.
A: DOUBLE root with 2 root canals.
Answer: A: DOUBLE root with 2 root canals. 
Explanation: None