[单选题]
A negatively charged rod is6220fvic0d rex .-w 3* jlfkevmjk sd2 brougqocbd7,50 y( g 0/sr ydvuxun.ht near one end of an uncharged metal bar. The end of the7ybq sgd uc.vn0/xo,u0y (5rd metal bar farthest from the charged rod will be charged
A. positive.
B. negative.
C. neutral.
D. none of the given answers
