Which of the following are the ways that T cells pass their…

Which of the following are the ways that T cells pass their test to become immunocompetent?       Obj 20.15/ 20.18 1.  will destroy any bacteria and any other cellular debris 2.  will not strongly react against self-antigens 3.  will be ready to respond to a foreign antigen 4.  will now transfer foreign antigens to natural killer (NK) cells