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': 'Sabin Feldman test is used in: \nSelect and explain. \nA. Syphilis, B. Leptospirosis, C. Toxoplasmosis, D. Multiple myeloma', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Toxoplasmosis', 'role': 'assistant'}]