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 among the following statements is true regarding posts in Endodontics 
Select and explain. 
A. They strengthen the tooth structure, B. Provide retention for the core, C. They stabilize a periodontally compromised tooth, D. Posts preserve the remaining tooth structure
B: Provide retention for the core
Answer: B: Provide retention for the core 
Explanation: None