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
Zidovudine and didanosine used in HAART act by : 
Select and explain. 
A. Inhibitory effects on viral DNA, B. Nucleoside reverse transcriptase inhibition, C. Inhibit the synthesis of gp41, D. Protease inhibition
B: Nucleoside reverse transcriptase inhibition
Answer: B: Nucleoside reverse transcriptase inhibition 
Explanation: None