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': "Roth's spots are found in \nSelect and explain. \nA. Acute rheumatic fever, B. Congestive cardiac failure, C. Infective endocarditis, D. Restrictive cardiomyopathy", 'role': 'user'}, {'content': "Answer: C \nExplanation: White-centered retinal hemorrhages (Roth's spots) are considered pathognomonic for subacute bacterial endocarditis, but they also appear in leukemia, diabetes, and many other conditions. Endophthalmitis also occurs as a complication of ocular surgery, occasionally months or even years after the operation. ( Harrison&;s principle of internal medicine,18th edition,pg no. 230)", 'role': 'assistant'}]