Which of the following ligands are correctly represented in an spectrochemical series ? .
A. `SCN^(-)` lt `F^(-)` lt `CN^(-)` lt CO
B. `F^(-)` lt `SCN^(-)` lt `CN^(-)` lt CO
C. `CN^(-)` lt `F^(-)` lt CO lt `SCN^(-)`
D. `SCN^(-)` lt CO lt `F^(-)` lt `CN^(-)`