[单选题]
What is the mass of an object 63k w ur dz/ox.q/se ikok8hm17c/ruy ch5a,(that weighe/e9(9 zdty8r fox15mpht br; s 250 N on the surface of the Earth where the acceleration due to g/bm9 58tzy (d rxpe;tfoeh r19ravity is $9.80 \; m/s^2$?
A. $250 \; kg$
B. $24.5 \; kg$
C. $25.5 \; kg$
D. $2,450 \; kg$
