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: Anatomy
[{'content': 'The appropriate media culture for a gram negative coccobacilli arranged in a school of fish , that causes STD with genital ulcers is \nSelect and explain. \nA. Thayer Main media, B. Blood agar with X and V factors, C. Chocolate agar with isovitale X, D. Tellurite blood agar', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Chocolate agar enriched with 1%isovitalex is used to grow H.ducreyi.', 'role': 'assistant'}]