A Coordinate Covalent Bond Forms When ________

A coordinate covalent bond forms when ________

A) a chemical species donates one electron to another species to form a covalent bond.
B) a chemical species donates a pair of electrons to another species to form a covalent bond.
C) a chemical species accepts one electron from another species to form a covalent bond.
D) a chemical species accepts an electron and becomes an anion.
E) a chemical species accepts a pair of electrons and becomes an anion.