You have two charges as shown in the image: A (which is positively charged) and B (which is negatively charged). If you insert a positive charge, C, between A and B, how would A and B move?

A. A and B would move toward C.
B. A would move toward C, and B would move away from C.
C. A and B would move away from C.
D. A would move away from C, and B would move toward C.