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: Medicine
[{'content': 'In rheumatic heart disease, infective endocarditis is detected by echocardiogram and the largest vegetations seen are due to- \nSelect and explain. \nA. Streptococcus viridans, B. Staphylococcus aureus, C. Candida albicans, D. Salmonella typhi', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]