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': 'Serological diagnosis is made in -a) Actinomycosis b) T.B.c) Syphilisd) Gonorrhoeae) Q fever \nSelect and explain. \nA. abd, B. acd, C. cde, D. ade', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]