Which of the Following Statements Most Accurately Conveys an Aspect

Which of the following statements most accurately conveys an aspect of lymphatic system activity?

A) B- and T-lymphocyte development begins in the bone marrow and ends in the peripheral lymphoid structures.
B) B cells and macrophages are released from the bone marrow in their completed state.
C) Stem cells in the lymph nodes initiate and regulate the process of white cell synthesis.
D) Leukocytes bypass vascular circulation and are distributed instead by the lymphatic system.