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: Medicine
[{'content': 'Which of the following is LEAST suggestive off infection with polio virus - \nSelect and explain. \nA. Low grade fever and malaise with complete resolution in 2 to 3 days, B. Biphasic illness with several days of fever, then meningeal symptoms and asymmetric flaccid paralysis 5 to 10 days later, C. Descending motor paralysis with preservation of tendon reflexes and sensation, D. Failure to isolate a virus from the cerebrospinal fluid in the presence of marked meningismus', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]