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: Medicine
Class II of HIV associated diseases describes: 
Select and explain. 
A. Acute infections, B. Asymptomatic infections, C. Persistent generalized lymphadenopathy, D. All of the above
B: Asymptomatic infections
Answer: B: Asymptomatic infections 
Explanation: None