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: Medicine
The minimum possible score in “Glasgow coma scale’’ is 
Select and explain. 
A. 3, B. 5, C. 1, D. 0
A: 3
Answer: A: 3 
Explanation: Explanation: Glasgow Coma Scale for Head Injury