This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anti-HIV Drugs, Subject name: Pharmacology
[{'content': 'The following are true about enfuviide except: \nSelect and explain. \nA. Administered by s.c route, B. Effective on HIV 1 and HIV 2 strains, C. Binds to HIV gp41, D. No cross resistance with other anti-retroviral drugs', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Enfuviide It is an Entry (fusion) inhibitor. MOA: By binding to HIV-1 gp41 Active on HIV 1& not active against HIV-2. Cross resistance not seen with other classes of ARV drugs. Given s.c. twice daily. Used as add on drug for failed regimens. Adverse effects: Pain at injection site and it cause local nodules or cysts.', 'role': 'assistant'}]