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: Physiology
[{'content': 'Which of the following maximally increases the aerobic capacity? \nSelect and explain. \nA. Spus of exercise, B. Prolonged exercise, C. Regular 3 minute exercise, D. Strenuous exercise', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Regular exercise can improve aerobic capacity as in atheletes. Spus, prolonged and strenuous exercise forms does not make significant difference.', 'role': 'assistant'}]