A Snickers® Candy Bar Contains 280 Calories,of Which the Fat $\times$

A Snickers® candy bar contains 280 Calories,of which the fat content accounts for 120 Calories.What is the energy of the fat content,in kJ?

A) 5.0 $\times$ 10^-1 kJ
B) 29 kJ
C) 5.0 $\times$ 10² kJ
D) 1.2 $\times$ 10³ kJ
E) 5.0 $\times$ 10⁵ kJ