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: Anaesthesia
Nephrotoxic agent is 
Select and explain. 
A. Methoxy flurone, B. Isoflurone, C. Halothane, D. N20
A: Methoxy flurone
Answer: A: Methoxy flurone 
Explanation: A i.e. Methoxy flurane