The correct statement for the molecule, $CsI_3$ is

Question

$\begin{array}{1 1}(A)\;\text{it contains }Cs^{3+}\; and \;I^-\text{ ions}\\(B)\;\text{it contains }Cs^+ , I^-\text{ and lattice }I_2\text{ molecule}\\(C)\;\text{ it is a covalent molecule}\\(D)\;\text{it contains }Cs^+\; and\;I _3^-\; ions.\end{array}$