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: Pathology
Which of the following features is shared in common between lymphocyte - rich and lymphocyte predominant types of Hodgkin's lymphoma ? 
Select and explain. 
A. Paucity of diagnostic RS cells, B. EBV is associated, C. RS cells are CD 20 positive, D. Good prognosis
D: Good prognosis
Answer: D: Good prognosis 
Explanation: Ans. is 'd' i.e., Good prognosis