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': 'The following are common causes of seizures in adults older than 60 years of age except \nSelect and explain. \nA. Cerebrovascular disease, B. Central nervous system neoplasia, C. Degenerative disease, D. Mesial temporal lobe sclerosis', 'role': 'user'}, {'content': "Answer: D \nExplanation: harrison's principles of internal medicine 17th edition *causes of seizures in older adults include cerebrovascular disease,trauma,CNS tumours and degenerative disease.", 'role': 'assistant'}]