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': 'Amastigote form of which parasite is found in human? \nSelect and explain. \nA. Trypanosoma cruzi, B. Trypanosoma brucei, C. Trypanosoma gambiense, D. Trypanosoma rhodesiense', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. a. Trypanosoma', 'role': 'assistant'}]