[单选题]
An object weighs 432 N on the surf p6*b,0p3zhpgx0afr x g;wf7ua+el1;ah 6 ibi)+v nfufce of the Earth. The Earth has radius r. If the object is raised to a height of 3r above the Earth's surface, what1f e l;+ ihvfba+6inu) is its weight?
A. $432 \; N$
B. $48 \; N$
C. $27 \; N$
D. $0 \; N$