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: Pharmacology
Cyanide poisoning can be treated by : 
Select and explain. 
A. Pyridoxine, B. Vitamin B12, C. Hyperbaric oxygen, D. Flumazenil
B: Vitamin B12
Answer: B: Vitamin B12 
Explanation: None