The correct statement is:
"The lone pairs of electrons in the oxygen atom cause the molecule to be bent; the oxygen atom has a partial negative charge, while the hydrogen atoms have partial positive charges."
In water (H2O), the oxygen atom has two lone pairs of electrons that contribute to the bent shape of the molecule. Because oxygen is more electronegative than hydrogen, it attracts the shared electrons more strongly, resulting in a partial negative charge on the oxygen and partial positive charges on the hydrogen atoms.