[单选题]
A 5000-W heater is used to heat water. zlx; ih.c;l5j-k2m6 v x7ly hkfv3tf- How long wil u0rsp3za6;uxl it take to heat 20 kg of water frouz;u a3p0 x6srm $20 \; ^{\circ}C$ to $100 \; ^{\circ}C$?
A. 2 minutes
B. 12 minutes
C. 22 minutes
D. 32 minutes
