[单选题]
How much energy woul)wwqllo k:s6n5i v 5ok2wmo5be0kme6f0 *zd; d be released if 2.0 kg of material was lost during a rp(dz7eg o-ca i6hd5- i:yami 5eaction? m5dz(p5 da7y:ho e-aci6gii -
A. $1.8 \times 10^{17} \; J$
B. $1.5 \times 10^{16} \; J$
C. $6.0 \times 10^{8} \; J$
D. $4.7 \times 10^{-8} \; J$