Explain how T cell development in the thymus leads to the formation of different T cell types involved in immune responses.

• A. T cells undergo selection processes in the thymus, leading to the formation of helper, cytotoxic, and regulatory T cells.
• B. T cells develop in lymph nodes and only function in innate immunity.
• C. T cells develop in the bone marrow and only produce antibodies.
• D. T cells develop in the spleen and inhibit immune responses.

Answer: (A)