[单选题]
A refrigerator removes heate;.w2/ lz1t,i 4nunsiky szkq /f,bd 9lk y;1k from thx*c- )j-o ko.pl +rqmre freezing compartment at the rate of 20 kJ and ejects 24 kJ into a room per cycle. How much work is required ix-) jrocq-+.l m*rp okn each cycle?
A. $4 \; kJ$
B. $20 \; kJ$
C. $24 \; kJ$
D. $44 \; kJ$
