This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology, Subject name: Microbiology
Which is concerned with cell mediated immunity - 
Select and explain. 
A. B-Lymphocytes, B. T-Lymphocytes, C. Eosinophils, D. Monocytes
B: T-Lymphocytes
Answer: B: T-Lymphocytes 
Explanation: Cell-mediated immunity is an immune response that does not involve antibodies, but rather involves the activation of phagocytes, antigen-specific cytotoxic T-lymphocytes, and the release of various cytokines in response to an antigen. Ref: Ananthanarayan & Panikers textbook of microbiology 9th edition pg.no. : 152