[单选题]
A spring with a spring constant of 15wq 944- vmgo40a pkvmv N/m is initda:z; bqq9(s4trmy .jially compressed by 3.0 cm. How much woq:tamq.d;s 4jzry (b9rk is required to compress the spring an additional 4.0 cm?
A. $0.0068 \; J$
B. $0.012 \; J$
C. $0.024 \; J$
D. $0.030 \; J$
