Regarding the isomerism of carbohydrates, mark the INCORRECT answer. a. Enantiomers are mirror imaged and non-superimposable. b. A right-handed molecule shifts polarized light to the right, while a left-handed molecule shifts polarized light to the left. c. For a monosaccharide to have optical isomerism, it must have at least one chiral carbon. d. Glucose and mannose aldoses are isomers of function​