This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S, Subject name: Medicine
[{'content': 'Factors that increase risk of recurrence of febrile seizures include all except \nSelect and explain. \nA. Initial seizure at less than 12 months of age, B. Positive family history, C. Temperature more than 40degC, D. Complex seizures', 'role': 'user'}, {'content': 'Answer: C \nExplanation: First degree relative with a history of febrile seizures, Age of onset less than 18 months of age, Temperature greater than 104 degrees Fahrenheit (40 degrees Celsius), and. Rapid onset (less than one hour between the onset of the fever and occurrence of a seizure) Ref Harrison20th edition pg 2134', 'role': 'assistant'}]