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
Which of the following is a major pattern of accessory canals in mandibular first molar is? 
Select and explain. 
A. Single furcation canal which is extend from pulp chamber to intra-redicular region, B. A lateral canal extends from coronal third to furcal region particular in distal canal, C. Presence of both lateral and furcal canal, D. Pattern is variable and age dependent
B: A lateral canal extends from coronal third to furcal region particular in distal canal
Answer: B: A lateral canal extends from coronal third to furcal region particular in distal canal 
Explanation: None