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: Biochemistry
Which of the following transports lactate from muscle to liver 
Select and explain. 
A. Alanine, B. Glutamate, C. Glutamine, D. Aspartate
A: Alanine
Answer: A: Alanine 
Explanation: Alanine