[单选题]
Ionic bonding is caus,v47 yxsb s;u;enlo r juc)y:1eq7i(q ein/gdv e5rthlc8;kr; 7+cw,ud by
A. the sharing of electrons between atoms.
B. the transfer of electrons between atoms.
C. unequal charge distributions around neutral molecules.
D. atoms bonding to hydrogen molecules.