Which of the Following Is(are) False Regarding B Cells with Antigen-MHC

Multiple Choice

Which of the following is(are) false regarding B cells with antigen-MHC complexes?

A) They are stimulated by helper T cells to secrete cytokines.
B) Helper T cells signal them to divide and differentiate.
C) On signals from the helper T cells, they produce clones with identical receptors.
D) Once activated by signals from helper T cells, they produce IgG, IgA, or IgE immunoglobulins instead of membrane-bound IgM.
E) All of these are true.