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
Development of hepatic central lobular necrosis secondary to acetaminophen overdose can be prevented effectively by which of the following if given within a few hours after ingestion : 
Select and explain. 
A. N–acetylcysteine, B. Dimercaprol, C. Sodium nitrite, D. Amyl nitrite
A: N–acetylcysteine
Answer: A: N–acetylcysteine 
Explanation: None