The following are multiple choice questions (with answers) about medical knowledge.   **Question:** True about ythT cells:   (A) Are helper t cells   (B) Oligoclonal proliferation   (C) Antigen presentation   (D) Opsonization
['(B) Oligoclonal proliferation <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Are helper t cells \n (B) Oligoclonal proliferation \n (C) Antigen presentation \n (D) Opsonization <> possible answers', '  True about ythT cells: <> context@']