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: Ophthalmology
Chorioretinitis in AIDS is caused by 
Select and explain. 
A. Candida albicans, B. Herpes simplex, C. Toxoplasma, D. Cytomegalovirus
D: Cytomegalovirus
Answer: D: Cytomegalovirus 
Explanation: D i.e.Cytomegalovirus