[单选题]
An object floats with half its volume beneath t6w)eb7o ie+ln jk 0o+the sza6 s my xh;(d*:-8uv gtdg4hqurface of the water. The weight of the displaced water is 28(ht:u d-da4;myqgh*zg 6xsv 000 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
