[单选题]
A spherically symmetric planet has four times the 11)q;aben/ ghqsqpyhvi41 : sEarth's mass and twi dzbysw* b.t+)ce its radius. If a jar of peanus .t+b *zybw)dt butter weighs 12 N on the surface of the Earth, how much would it weigh on the surface of this planet?
A. $6.0 \; N$
B. $12 \; N$
C. $24 \; N$
D. $36 \; N$
