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
Which of the following cells is instrumental in transmitting human immunodeficiency virus (HIV) to CD4+ T lymphocytes? 
Select and explain. 
A. Neutrophils, B. Dendritic cells, C. CD8+cells, D. NK cells
B: Dendritic cells
Answer: B: Dendritic cells 
Explanation: None