Homoleptic octahedral complexes of a metal ion 'M3+' with three monodentate ligands L1, L2 and L3 absorb wavelengths in the region of green, blue and red respectively. The increasing order of the ligand strength is

• A. L1 < L2 < L3
• B. L2 < L1 < L3
• C. L3 < L1 < L2
• D. L3 < L2 < L1