This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteriology, Subject name: Microbiology
[{'content': 'Selective medium for meningococcal infection is \nSelect and explain. \nA. DCA, B. Bllood agar, C. LJ medium, D. Thayer - main medium', 'role': 'user'}, {'content': "Answer: D \nExplanation: Selective media for Neisseria meningitis is Thayer - Main media. Contain vancomycin, colistin and nystatin. These antimicrobials will suppress the growth of other organisms which inhibits the growth of Meningococci. Reference: Textbook of microbiology; Anathanarayan & paniker's 10th edition, pg no: 231", 'role': 'assistant'}]