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
Muscles that are best suited for brief high-intensity exercise would contain which of the following types of fibres? 
Select and explain. 
A. 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)
D: A mix of glycolytic (white) and fast twitch (red)
Answer: D: A mix of glycolytic (white) and fast twitch (red) 
Explanation: None