[单选题]
A proton moves 0.10 m along the bdljq 0f 1,h)xo .xw*ydirectionp0n6o )q(ikjr of an electric field of magnitude 3.0 V/m. Wha kp)io0j 6qrn(t is the change 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. $8.0 \times 10^{-21} \; J$
