[单选题]
Metallic bonding is c3yig2qlmjne0 e7 9yd(xw, jm +aused b2b9 qo)kbbdu7c)k jo**r.t ao-zl ou.y
A. the sharing of electrons by all atoms.
B. the transfer of electrons between atoms.
C. unequal charge distributions around neutral molecules.
D. atoms bonding to hydrogen molecules.
