[单选题]
How much energy would bxe-9 )hcov 88:msduut e released if 2.0 kg -bhto :u g-)pt fcepk ca(ui5x4/i:t-of material was lost during a reactiock/o4t( t- auu p e-c)5:bhxgtf i-pi:n?
A. $1.8 \times 10^{17} \; J$
B. $1.5 \times 10^{16} \; J$
C. $6.0 \times 10^{8} \; J$
D. $4.7 \times 10^{-8} \; J$