Answer:
The correct answer is option A. intracellular digestion.
Explanation:
The diagram is given in question showing the steps involved in intracellular digestion which is the breaking of food or other substances in the cytoplasm of a cell by engulfing from surroundings.
In the following diagram Type of intracellular digestion that is phagocytosis is shown, the engulfed particle pinched off by lysosomes having hydrolytic enzymes. The food particles present within the phagosome is then digested by the lysosome's enzymes.
Thus, the correct answer is option A. intracellular digestion.