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 are enantiomers 
Select and explain. 
A. D - glucose and L - glucose, B. D - galactose and L - Glucose, C. D - glucose and L - Glucose, D. D - glucose and D - mannose
A: D - glucose and L - glucose
Answer: A: D - glucose and L - glucose 
Explanation: Enantiomers are mirror images of each other.
D and L isomers are enantiomers.