( A ) the same with 2, 0 and 1 lone pairs of electrons on the central atom, respectively
( B ) the same with 1, 1 and 1 lone pair of electrons on the central atoms, respectively
( C ) different with 1, 0 and 2 lone pairs of electrons on the central atom, respectively
( D ) different with 0, 1 and 2 lone pairs of electrons on the central atom, respectively