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 mandibular distal extension RPD extends up to 
Select and explain. 
A. Full length of Retromolar pad, B. Anterior one third length of retromolar pad, C. Anterior 2/3 rd of Retromolar pad, D. None of above
C: Anterior 2/3 rd of Retromolar pad
Answer: C: Anterior 2/3 rd of Retromolar pad 
Explanation: None