What Is the Role of the T-Cell in the Immune

What is the role of the T-cell in the immune system?

A) T-cells activate macrophages to assist in the immune response.
B) T-cells are transformed into specialized cells capable of producing antibodies.
C) T-cells are a complex cellular defense that assist in the destruction of antigens.
D) T-cells neutralize antigens by lysis and phagocytosis.
E) T-cells prevent antigens from adhering to host cells.