Define autoimmune Disorders

Define autoimmune disorders.

A) Autoimmune disorders are conditions that result from the production of antibodies directed against normal antigens in the body.
B) Autoimmune disorders are an inadequate immune responses due to problems with embryonic development of lymphoid organs and tissues,a viral infection,or treatment with or exposure to immunosuppressive agents.
C) Autoimmune disorders are an immune response to a circulating antigen that stimulates mast cells throughout the body to release chemicals that prompt the inflammatory response.
D) Autoimmune disorders are excessive immune reactions of antibodies to a virus-infected cell.
E) Autoimmune disorders are excessive immune responses to an allergen,which is an antigen that triggers an allergic reaction.