[单选题]
A spherically symmetr1vuro2j.* nc(guf4 hh 3-j jh49uubyo;y1d fvic planet has four times the Earth's mass and twice its radius. If a jar of peanut butter weighs 12 N on the surface of the Earth, how much would it weigh on the surfajy43-jdvu1f9ho; yub ce of this planet?
A. $6.0 \; N$
B. $12 \; N$
C. $24 \; N$
D. $36 \; N$