An Autoimmune Disease Could Occur If

Multiple Choice

An autoimmune disease could occur if

A) B cells fail to recognize and interact with helper T cells.
B) a helper T cell was unable to match its receptor to the antigen of an infectious agent.
C) B cells and T cells were unable to recognize the self-antigens displayed by host cells.
D) the antibodies produced in an earlier infection were reactivated in the bloodstream.