The standard enthalpies of formation of $$CO_2(g), H_2O(l)$$ and glucose(s) at $$25^\circ C$$ are -400 kJ/mol, -300 kJ/mol and -1300 kJ/mol, respectively. The standard enthalpy of combustion per gram of glucoseat $$25^\circ C$$ is

A

+2900 kJ

B

-2900 kJ

C

-16.11 kJ

D

+16.11 kJ