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
NK cell shows presence of ? 
Select and explain. 
A. CD 44, B. CD 16, C. CD 54, D. CD 32
B: CD 16
Answer: B: CD 16 
Explanation: Ans. is 'b' i.e., CD 16