Based on These Data, Fc $\gamma$ RIII Is Most Likely:
A) an Fc Receptor That Transports

Based on these data, Fc $\gamma$ RIII is most likely:

A) An Fc receptor that transports IgG from the blood into tissues
B) An Fc receptor that transports antibodies across epithelial surfaces into the gut lumen
C) An activating Fc receptor that stimulates phagocytic uptake and NK cell killing
D) An inhibitory Fc receptor that inhibits macrophage phagocytic uptake via activating Fc receptors
E) An activating Fc receptor that stimulates mast cell and basophil degranulation