[单选题]
Is it possible for a positive and a negative charge to attractx 16 b9a6x;v0 quu.dobuypqh 7a 7kyi(gn(kf:ar l:- .n gjope8v nj)6sd9a; o each 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.