Which Reason Is the MOST Plausible for Why Most Hexoses

Multiple Choice

Which reason is the MOST plausible for why most hexoses of living organisms are D isomers?

A) D isomers are more energetically favorable.
B) D isomers are also used by amino acids.
C) Sugars must be opposite isomers from amino acids.
D) Evolving enzymes were made to remain with an initial preference.
E) Evolving enzymes switch preference often to find the best isomer.