[单选题]
A refrigerator removes heat from the freezingc tf8;fx*7d,8 o llzkc compa*u nqc1 v6nw,artment at the rate of 20 kJ and ejects 24 kJ into a room per wv,cna* 6uq 1ncycle. How much work is required in each cycle?
A. $4 \; kJ$
B. $20 \; kJ$
C. $24 \; kJ$
D. $44 \; kJ$
