[单选题]
A 1.0-C charge is 15 m from a second cha if9fot,gmno lxkalb*a*qo0v:/ s )k -vc 7)l/rge, and the force between th ycb: lr6.qg5voo;bs 2em is 1.0 N. :;g2yvob6.rslbq oc 5What is the magnitude of the second charge?
A. $25 \; C$
B. $1.0 \; C$
C. $0.025 \; C$
D. $25 \; nC$