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
Which of the following enzymes does NOT take pa in the conversion of lactate to phosphoenolpyruvate? 
Select and explain. 
A. Lactate dehydrogenase, B. Pyruvate kinase, C. Pyruvate kinase, D. Pyruvate carboxylase
B: Pyruvate kinase
Answer: B: Pyruvate kinase 
Explanation: Repeated question