What Is the Energy Change When One Carbon-Carbon Double Bond

What is the energy change when one carbon-carbon double bond is broken to form a carbon-carbon single bond and two H-H single bonds? (Refer to Table 9.2 in the text.)

A) -565 kJ/mol
B) -129 kJ/mol
C) 609 kJ/mol
D) -1,176 kJ/mol
E) 129 kJ/mol