This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General physiology, Subject name: Physiology
[{'content': 'All of the following statements about phagocytosis are true, except \nSelect and explain. \nA. Amoeba and other unicellular protozoa make their living out of this, B. Used to ingest paicles < 0.5 microns in size, C. Used to ingest paicles > 0.5 microns in size, D. Digestion occurs within phagolysosomes', 'role': 'user'}, {'content': 'Answer: B \nExplanation: mm Ref:Guyton and Hall textbook of medical physiology 12th edition,page number: 15,16', 'role': 'assistant'}]