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
The rate of injection of intravenous Valium is: 
Select and explain. 
A. 1 ml / min, B. 2.5 ml / min, C. 1 mg / min, D. 2.5 mg / min
A: 1 ml / min
Answer: A: 1 ml / min 
Explanation: None