The correct statement for the molecule, $CsI_3$ is:

Question

( A ) it contains $Cs^{+}$ and $I_3^-$ ions
( B ) it contains $Cs^{3+}$ and $I^-$ ions.
( C ) it contains $Cs^+ , I^-$ and lattice $I_2$ molecule.
( D ) it is a covalent molecule.