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': 'An HIV patient complains of visual distrubances, Fundal examination shows bilateral retinal exudates and perivascular haemorrhages. Which of the following viruses are most likely to be responsible for this retinitis - \nSelect and explain. \nA. Herpes simplex, B. Varicella zoster, C. Cytomegalovirus, D. EBV', 'role': 'user'}, {'content': 'Answer: C \nExplanation: retinitis&multiple hemorrhage inHIV id due to CMV REF:MICROBIOLOGY ANANTHA NARAYANAN NINTH EDITION PAGE.473 case-3', 'role': 'assistant'}]