This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
[{'content': 'HIV can - \nSelect and explain. \nA. Cross blood brain barrier, B. RNA virus, C. Inhibited by 0.3% H2O2, D. Thermostable', 'role': 'user'}, {'content': 'Answer: A \nExplanation: it can cross blood brain barrier and cause cns infection REF:ANANTHANARAYANAN TEXT BOOK OF MICROBIOLOGY 9EDITION PGNO.576', 'role': 'assistant'}]