Why is the following statement false?

"Naive B cells produce IgM and IgD, both of which are bound in the plasma membrane of the cell."

A) IgM and IgD are secreted by the B cells, not bound to the plasma membrane.
B) Naive B cells do not produce IgD.
C) IgM and IgD are not produced by B cells.
D) IgM and IgD are not involved in the immune response.