[单选题]
A negatively charged rod is;:srxuhawl* x*x bp kf(cqlr9 lr2269 brought near one0ml57e vn ax/omi.x. w5u d)uue;d+zo end of an uncharged metal bar. The end of the metal bar farthemon uao 5u5xxddeme/+ u. )v.w0zi;7lst from the charged rod will be charged
A. positive.
B. negative.
C. neutral.
D. none of the given answers
