The correct increasing order of trans-effect of the following species is

A

$$CN^{-}>{C_{6}H_{5}}^{-}>BR^{-}>NH_{3}$$

B

$$BR^{-}>CN^{-}>NH_{3}>{C_{6}H_{5}}^{-}$$

C

$$CN^{-}> BR^{-}> {C_{6}H_{5}}^{-}>NH_{3}$$

D

$$NH_{3}>CN^{-}> BR^{-}> {C_{6}H_{5}}^{-}$$