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 GCS is determined by taking the best response in each category and totaling them; it ranges from 
Select and explain. 
A. 15-Mar, B. 0-12, C. 18-May, D. 10-Jan
A: 15-Mar
Answer: A: 15-Mar 
Explanation: None