[单选题]
A 5000-W heater is us5.joeg4 +5cnw jioi.jed be*:*s2 dmg 4ea0nd g/mylrfo0j4+v ato heat water. How long will it take to heat 20 kg of wabnf:r/*y04d la+sj ee *mom4 gv2a g0dter from $20 \; ^{\circ}C$ to $100 \; ^{\circ}C$?
A. 2 minutes
B. 12 minutes
C. 22 minutes
D. 32 minutes