Match List-$I$ with List-$II$ :

List-$I$	List-$II$
$(a).$ $[Co(NH_3)_6][Cr(CN)_6]$	$(i).$ Linkage isomerism
$(b).$ $[Co(NH_3)_3(NO_2)_3]$	$(ii).$ Solvate isomerism
$(c).$ $[Cr(H_2O)_6]Cl_3$	$(iii).$ Coordination isomerism
$(d).$ $cis-[CrCl_2(ox)_2]^{3-}$	$(iv).$ Optical isomerism

Choose the correct answer from the options given below:

• A
  $(a)-(iii), (b)-(i), (c)-(ii), (d)-(iv)$
• B
  $(a)-(iv), (b)-(ii), (c)-(iii), (d)-(i)$
• C
  $(a)-(ii), (b)-(i), (c)-(iii), (d)-(iv)$
• D
  $(a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)$