Coordination Compounds: JEE Main 2024 Chemistry question

Consider the following complexes (A) $\left[\mathrm{CoCl}\left(\mathrm{NH}_3\right)_5\right]^{2+}$, (B) $\left[\mathrm{Co}(\mathrm{CN})_6\right]^{3-}$, (C) $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_5\left(\mathrm{H}_2 \mathrm{O}\right)\right]^{3+}$, (D) $\left[\mathrm{Cu}\left(\mathrm{H}_2 \mathrm{O}\right)_4\right]^{2+}$ The correct order of A, B, C and D in terms of wavenumber of light absorbed is :