Choose correct options regarding enzyme with their respective substrates:
A. Monoamine oxidase: Catecholamines
B. HMG CoA reductase: Hypoxanthine xanthine
C. Acetyl choline esterase: Acetyl choline
D. Dihydropteroate synthase: Para-amino benzoic acid (PABA)
E. Vitamin K epoxy reductase: Amphetamine
Choose the correct answer from the options given below: