Select the pathway that would lead to the activation of cytotoxic T cells

A) B cell contact antigen ? helper T cell is activated ? clonal selection occurs
B) body cell becomes infected with a virus ? new viral proteins appear ? class I MHC molecule-antigen complex displayed on cell surface
C) complement is secreted ? B cell contacts antigen ? helper T cell activated ? cytokines released
D) cytotoxic T cells ? class II MHC molecule-antigen complex displayed ? cytokines released ? cell lysis


B

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