[单选题]
A spring is characterized by a sp d6r*a yx;futubr8 1j:3ahwbt-smef+j.2ra,ap bh )no , i7e1ring constant of 60 N/m. How much potential energy a,+ 1m)7pbbnwhaja i3 fos e.e htr2-,does it store, when stretched by 1.0 cm?
A. $3.0 \times 10^{-3} \; J$
B. $0.30 \; J$
C. $60 \; J$
D. $600 \; J$
