[单选题]
A 1.0-C charge is 15 m from a se0wm uq,hxj:c.c ey y0gv6)b :icondg+hukf.)jmc9a) fuk ys 5)+ yf charge, and the force between them is 1.0 N. What is the m+9)ff. kju )+ 5mgschk yfyu)aagnitude of the second charge?
A. $25 \; C$
B. $1.0 \; C$
C. $0.025 \; C$
D. $25 \; nC$