Colony-Stimulating Factors Are Produced by ________________ and Target Cells in the _____________________

Colony-stimulating factors are produced by ________________ and target cells in the _____________________, which results in _______________.

A) macrophages; bone marrow; stimulation of proliferation of neutrophils and monocytes
B) B cells; thymus; conversion of B cells to T cells
C) NK cells; blood vessel walls; vasodilation
D) monocytes; blood vessel walls; vasoconstriction
E) basophils; bone marrow; release of histamine