[单选题]
A spring is characterized aint1vkdcjfz* dk9a1j 0.tjgt9 :n p52f1 e9mby s/tqzxl00 dju; 9bh8 wa spring constant of 60 N/m. How much potential energy does it store, wq/ l0zstudwjbx 8h;9 0hen stretched by 1.0 cm?
A. $3.0 \times 10^{-3} \; J$
B. $0.30 \; J$
C. $60 \; J$
D. $600 \; J$
