[单选题]
A spring is characterized by u9mrpqu2j3*au )n0ln9s- vwq a spring constant of 60 N/m. e3-or83lg y7f6n m*zbd3sm2ovi-hkh How much potential energy does it store, when strzs hf3ly-v36m7b keo*dorn-m g28ih3 etched by 1.0 cm?
A. $3.0 \times 10^{-3} \; J$
B. $0.30 \; J$
C. $60 \; J$
D. $600 \; J$
