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
All of the following are a part of the innate immunity except - 
Select and explain. 
A. Complement, B. NK cells, C. Macrophages, D. T cells
D: T cells
Answer: D: T cells 
Explanation: Alternate pathways of Complement , NK cells and Macrophages (as phagocytes) are the components of innate immunity
B cell, T cell, Classical complement and Antigen presenting cell are components of adaptive/acquire immunity.

Ref: Apurba Sastry’s Essentials of Medical Microbiology 1/e p97, Kuby’s Immunology 6/e p53