複選題25. In a healthy individual without any ongoing infection, what is the most likely fate of a mature naive T cell that encounters a self-antigen outside the thymus? (Select all that apply) (A) Initiate an autoimmune attack against the cell presenting the self-antigen (B) Be suppressed by a regulatory T cell (C) Undergo proliferation (D) Become anergic (unresponsive to stimulation) (E) Continue rearranging its α-chain genes