Correct increasing order for the wavelengths of absorption in the visible region for the complexes of $$Co^{3+}$$ is

A

$$[Co(H_2 O)_6]^{3+} , [Co(NH_3)_6]^{3+}, [Co(en)_3]^{3+}$$

B

$$[Co(NH_3)_6]^{3+} , [Co(en_3)]^{3+}, [Co(H_2O)_6]^{3+}$$

C

$$[Co(en)_3]^{3+} , [Co(NH_3)_6]^{3+}, [Co(H_2O)_6]^{3+}$$

D

$$[Co(H_2 O)_6]^{3+} , [Co(en_3)]^{3+}, [Co(NH_3)_6]^{3+}$$