Which of the followings shows the growth-based normalization of the reaction? ( )

A、(1+Y) COD substrate à 1 COD product + Y COD biomass
B、1/Y COD substrate à (1-Y)/Y COD product +1 COD biomass
C、1 COD substrate à (1-Y) COD product + Y COD biomass
D、1 COD substrate à 1/(1+Y) COD product + Y/(1+Y) COD biomass