This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
[{'content': 'Trophozoite of Entamoeba histolytica ? \nSelect and explain. \nA. Has eccentric Karyosome, B. Shows erythrocyte in cytosol, C. Central nucleus, D. Non motile', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Shows erythrocyte in cytosol", 'role': 'assistant'}]