[单选题]
Is it possible for a positive and a negative a1 u;oxubg ah9*s,5w6 +epb pll*fihbcl922kcharge to attract each w3afu kg.:)wwfbfh85jpc6z1 other?
A. Yes, they always attract.
B. Yes, they will attract if they are close enough.
C. Yes, they will attract if one carries a larger charge than the other.
D. No, they will never attract.