[单选题]
A 5.0-C charge is 10 m froux2sx)p k i.rgyu4l: 9m a sma; ,nr8wr lbnsv+s;y+c ll test charge. What is the direction of the electric yr snw+lc +b ;nsvr,8;field?
A. toward the 5.0 C
B. away from the 5.0 C
C. perpendicular to a line joining the charges
D. none of the given answers