DNA Rearrangements in the B Cell

DNA rearrangements in the B cell

A) are responsible for generating single B cells that can synthesize many different antibodies.
B) lead to mutations in T cells, resulting in the elimination of essential T cell genes.
C) occur only in B memory cells.
D) are responsible for generating many different antibodies, with each B cell making only one specific antibody.
E) occur only in fully mature B cells.