Select the True Statement About the Mechanism of Action of a Natural

Select the true statement about the mechanism of action of a natural killer cell.

A) The natural killer cell releases perforins that form a hole in the enemy cell membrane.
B) Granzymes from the natural killer cell enter the perforin hole and degrade the enemy cell enzymes.
C) The enemy cell dies by apoptosis, and the macrophage engulfs and digests the dying cell.
D) All of these are correct.