[单选题]
How much heat energyvnsg .y snf;01 is needenx ,v8djl:ctx p2, u7 (asb*oud to change 10 kg of ice at $-20 \; ^{\circ}C$ to water at $50 \; ^{\circ}C$?
A. $4.2 \times 10^{5} \; J$
B. $3.3 \times 10^{6} \; J$
C. $4.2 \times 10^{6} \; J$
D. $5.8 \times 10^{6} \; J$