The following are multiple choice questions (with answers) about medical knowledge.   **Question:** T-lymphocytes play a primary role in   (A) Production of Antibodies   (B) Production	of	lymphokines	and	delayed hypersensitivity   (C) Activation of complement system   (D) Immediate Hypersensitivity
['(B) Production\tof\tlymphokines\tand\tdelayed hypersensitivity <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Production of Antibodies \n (B) Production\tof\tlymphokines\tand\tdelayed hypersensitivity \n (C) Activation of complement system \n (D) Immediate Hypersensitivity <> possible answers', '  T-lymphocytes play a primary role in <> context@']