[单选题]
A proton moves 0.10 mq(3b f,1tbggh jq y)x3 along the direction of an electric eoej-x -2ckj- jfk5.: ggaa-f field of magnitude 3.0 V/m. What is the chanfekx5 j oea-2jc- gfk.-g:a-jge in kinetic energy of the proton?
A. $4.8 \times 10^{-20} \; J$
B. $3.2 \times 10^{-20} \; J$
C. $1.6 \times 10^{-20} \; J$
D. $8.0 \times 10^{-21} \; J$