This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of carbohydrate, Subject name: Biochemistry
Mechanism by which pyruvate cytosol is transpoed to mitochondria is 
Select and explain. 
A. Chloride antipo, B. Proton sympo, C. ATP dependent antipo, D. Facilitated unipo
B: Proton sympo
Answer: B: Proton sympo 
Explanation: Repeated question