Which of the Following Statements Concerning Plasma Cells Is TRUE

Which of the following statements concerning plasma cells is TRUE?

A) They live for many years and function as memory cells.
B) They are descended from activated T cells.
C) They secrete a variety of antibody molecules specific for multiple epitopes.
D) The antibodies they produce can remain in circulation for years.
E) They can produce large quantities of antibodies on a daily basis.