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: Surgery
In Glasgow coma scale, rating is given to patient on the basis of his level of consciousness. The minimum score that can be given is: 
Select and explain. 
A. 0, B. 3, C. 5, D. 8
B: 3
Answer: B: 3 
Explanation: None