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: Microbiology
HIV can infect all except: 
Select and explain. 
A. Circulating dendritic cells, B. CD4 T lymphocytes, C. Macrophages, D. Cytotoxic T cells
D: Cytotoxic T cells
Answer: D: Cytotoxic T cells 
Explanation: Ans. d. Cytotoxic T cells