[单选题]
Covalent bonding is cauh-kfhb f1 :c8xsw.c; m*3fqed 8fzb+5 ip mzyqp, m,m3ued 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.