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
Which of the following drugs is used to prevent HIV transmission from an HIV positive pregnant mother to child ? 
Select and explain. 
A. Lamivudine, B. Stavudine, C. Nevirapine, D. Didanosine
C: Nevirapine
Answer: C: Nevirapine 
Explanation: None