[单选题]
An object floats with movn6 i7 .hjz36kyfl/s 4)e -fi*ff(ply(lt dhalf its volume beneath the surface of the water. The weight of the displaced4fes*ll dffy)-p(t(i water is 2000 N. What is the weight of the object?
A. $1000 \; N$
B. $2000 \; N$
C. $4000 \; N$
D. cannot be determined from the information given