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': 'Most common parasite causing myocarditis is- \nSelect and explain. \nA. Trichinella, B. Trypanosome, C. Ascaris, D. Plasmodium', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]