[单选题]
An object sits on a frxd vl9d3pst-3 ictionless surface. A 16-N f0;tzk-) dv, s-fji; qcuwub(e orce is applied to the object, and it acceleratesqukfzw v-c ej i;;-utbd,( )0s at $2.0 \; m/s^2$. What is the mass of the object?
A. $4.0 \; kg$
B. $8.0 \; kg$
C. $32 \; kg$
D. $78 \; N$
