[单选题]
What are the magnitude and directio. y58u: mwsmoun of the elecy3 m( xf ;)lr3: mrc-adtm+veitric field at a distance of 1.50d)lftr +;mera3m3 cv m( -iyx: m from a 50.0-nC charge?
A. 20 N/C away from the charge
B. 20 N/C toward the charge
C. 200 N/C away from the charge
D. 200 N/C toward the charge