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': 'All of the following ar etrue about HIV except - \nSelect and explain. \nA. A DNA virus belonging to lentivirus, B. Attaks CD4 lymphocytes, C. CD4 : CD* ratio is reversed, D. Mostly spread by hetrosexual contact', 'role': 'user'}, {'content': 'Answer: D \nExplanation: HIV mostly transmitted through homosexual REF:ANANTHANARAYANAN TEXT BOOK OF MICROBIOLOGY 9EDITION PGNO. 582', 'role': 'assistant'}]