Arrange the following steps in the correct order for B cell activation by T dependent antigens: (A) Helper T cell recognition, (B) Antigen binding, (C) Cytokine release, (D) B cell proliferation, (E) Differentiation into plasma cells.

• A. C, A, B, D, E
• B. A, B, D, C, E
• C. B, A, C, D, E
• D. D, B, A, C, E

Answer: (C)