This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: general microbiology, Subject name: Microbiology
[{'content': 'Which of the following is not a selective media \nSelect and explain. \nA. Blood agar, B. Thayer main media, C. Wilson blair media, D. LJ media', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A selective media is composed of specific ingredients to inhibit the growth of ceain species of microbes in a mixed culture while allowing others to grow. Ref ananthnarayana and panikers microbiology textbook 8/e', 'role': 'assistant'}]