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
[{'content': 'Which of the following are enantiomers \nSelect and explain. \nA. D - glucose and L - glucose, B. D - galactose and L - Glucose, C. D - glucose and L - Glucose, D. D - glucose and D - mannose', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Enantiomers are mirror images of each other.\nD and L isomers are enantiomers.', 'role': 'assistant'}]