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': 'True about Clostridium teium is \nSelect and explain. \nA. Gram variable, B. Terminal spore, C. Produces exotoxin, D. Causes septicemic orchitis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Clostridium teium is easily decolourized in Gram-stained smears and can be mistaken for a Gram-negative organism. However, Clostridium teium does not grow on selective media for Gram-negative organisms. Reference: Textbook of Microbiology; Anathanarayan and paniker&;s; 9th edition', 'role': 'assistant'}]