Which statement below is TRUE regarding B lymphocytes?

A) When mature B lymphocytes are released from the bone marrow, they begin secreting
antibody.
B) B cells are taught to discriminate "self" antigens from "non-self" antigens in the thymus.
C) B cell antibody response is generally very effective against viruses contained within host
cells.
D) B memory cells can live for years and reactivate quickly if they encounter the same
antigen.
E) All of the above.


D

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