Calculate the Standard Enthalpy of Formation of Bicyco[1

Multiple Choice

Calculate the standard enthalpy of formation of bicyco[1.1.0]butane (shown below) given the standard enthalpies of formation of C(g) And H(g) ,717 and 218 kJ.mol^-1 ,Respectively,And the average C-H and C-C bond enthalpies,412 and 348 kJ.mol^-1,Respectively.

A) +175 kJ.mol^-1
B) -472 kJ.mol^-1
C) +312 kJ.mol^-1
D) -36 kJ.mol^-1
E) -124 kJ.mol^-1