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
A chronic alcoholic presented to the casualty with altered sensorium. His blood sugar level was normal. Which of the following is the treatment to be given - 
Select and explain. 
A. Inj . Vitamin B1, B. IV dextrose 5%, C. IV dextrose 50%, D. IV Normal saline
A: Inj . Vitamin B1
Answer: A: Inj . Vitamin B1 
Explanation: None