[单选题]
A 1.0-C charge is 15e( l j,bwtx0. b4+txzi mufw,/ m from a se+vg-pdsp94j1xcby / p cond charge, and the force between them is 1.0 N. What is the magnitude of the second cpxjg bsy 9 vp1-pd/c+4harge?
A. $25 \; C$
B. $1.0 \; C$
C. $0.025 \; C$
D. $25 \; nC$