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: ENT
Inner ear bony labyrinth is: 
Select and explain. 
A. Strongest bone in the body, B. Cancellous bone, C. Cailaginous bone, D. Membranous bone
C: Cailaginous bone
Answer: C: Cailaginous bone 
Explanation: Bony labyrinth is an example of cailaginous bone (i.e. a bone which ossification cailage).