In a Nuclear Plant $1017 \mathrm {~J}$ Of Energy Is Available from Mass Conversion

In a nuclear plant, $1017 \mathrm {~J}$ of energy is available from mass conversion. How much mass of fuel was lost to produce this energy? $\left( c = 3.0 \times 10 ^ { 8 } \mathrm {~m} / \mathrm { s } \right)$

A) $0.1 \mathrm {~kg}$
B) $1 \mathrm {~kg}$
C) $100 \mathrm {~kg}$
D) $10 \mathrm {~kg}$