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: Unknown
Features of innate immunity A/E - 
Select and explain. 
A. Recognizes foreign antigen in blood, B. C reactive protein, C. Complement protein is a part of innate immune system, D. Includes phagocytes and natural killer & cellf
A: Recognizes foreign antigen in blood
Answer: A: Recognizes foreign antigen in blood 
Explanation: Ans-A