[单选题]
A piece of plastic h7ih y yu)kml2jlw*p-3- qbtmk4h0l ,m3d**anys,qx ias a net charge of +2.00 mC. How many more protons than electrons doe* ,x qna*s3yids this piece of plastic have?
A. $1.25 \times 10^{13}$
B. $1.25 \times 10^{19}$
C. $2.50 \times 10^{13}$
D. $2.50 \times 10^{19}$
