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
Ossicular ratio is = 
Select and explain. 
A. 1.3 : 1, B. 1.2 : 1, C. 1.1 : 1, D. 1:01
A: 1.3 : 1
Answer: A: 1.3 : 1 
Explanation: None