This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Pathology
[{'content': 'Which worm causes myocarditis \nSelect and explain. \nA. Trichuris, B. Trichinella, C. Enterobius, D. Strongyloides', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Myocarditis encompasses a diverse group of clinical entities in which infectious agents and/or inflammatory processes primarily target the myocardium. Trichinosis is the most common helminthic disease with associated cardiac involvement. (Robbins basic pathology,9th edition,pg no.402)', 'role': 'assistant'}]