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
Cibriform plate is also known as: 
Select and explain. 
A. Lamina dura, B. Alveolar bone proper, C. Supporting alveolar bone, D. None of the above
B: Alveolar bone proper
Answer: B: Alveolar bone proper 
Explanation: None