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': "All are Neutralization tests except: \nSelect and explain. \nA. Plague inhibition test, B. Schick test, C. Nagler's reaction, D. Sabin-feldman dye test", 'role': 'user'}, {'content': 'Answer: D \nExplanation: Sabin-feldman dye test for detecting Toxoplasma antibodies. Complements are used.', 'role': 'assistant'}]