If the Standard Enthalpy of Combustion of Ethanol,C₂H₅OH(l),at 298 K

If the standard enthalpy of combustion of ethanol,C₂H₅OH(l) ,at 298 K is -1368 kJ.mol^-1,what is the standard enthalpy of formation of ethanol? The standard enthalpies of formation of carbon dioxide and liquid water are -393.51 and -285.83 kJ.mol^-1,respectively.

A) +688.7 kJ.mol^-1
B) (-344.3 kJ.mol^-1
C) +276.5 kJ.mol^-1 )
D) (-276.5 kJ.mol^-1 )
E) (-688.7 kJ.mol^-1 )