[单选题]
What is the mass of an oojat27ag0dq;.a/rbpc-s7 yu bject that weighs 250 lt)zowxd80o./a jn. xb a0dqh z) s/9lN on the surface of the Earth where the acceleration due to gravity /ls.dnb/q8 z0j) tw )daa09.zxo olhxis $9.80 \; m/s^2$?
A. $250 \; kg$
B. $24.5 \; kg$
C. $25.5 \; kg$
D. $2,450 \; kg$
