[单选题]
What is the mass of an object that weighs 25030pr h mf /2h :zmrhefk,c1q3 pe2(lye N on 7/(wi j/uibhathe surface of the Earth where the accw7i( ia/hu/jbeleration due to gravity is $9.80 \; m/s^2$?
A. $250 \; kg$
B. $24.5 \; kg$
C. $25.5 \; kg$
D. $2,450 \; kg$
