This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
[{'content': 'All of the following are associated with increased ageing, except ( NOT RELATED) \nSelect and explain. \nA. Enlargement of telomere, B. Decrease in number of mitochondria, C. Glycosylation of DNA, D. Glycosylation of RNA', 'role': 'user'}, {'content': 'Answer: A \nExplanation: .', 'role': 'assistant'}]