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': 'Muscles that are best suited for brief high-intensity exercise would contain which of the following types of fibres? \nSelect and explain. \nA. Glycolytic (white), B. Slow-twitch oxidative (red), C. A mix of slow twitch (red) and fast twicth (red), D. A mix of glycolytic (white) and fast twitch (red)', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]