[单选题]
A 1.0-C charge is 15 m+x +h hqk0x-lp7bfef 4blo5c2 from a second charge, and the force between th jc*+2rs7ok cij;aifu * +ag9oem is 1.0 N. What is the magnitude of the secondsi*a7k j g*+aj;+9i or cocuf2 charge?
A. $25 \; C$
B. $1.0 \; C$
C. $0.025 \; C$
D. $25 \; nC$