\((1)\) In option \(B\) AND \(C\) there is no transition metals so elimimated
\((2)\) In \(\left[ Fe ( CO )_5\right]\) carbon monoxide is a natural ligand, therefore no involvement of \(F\) e electrons in complex, \(F\) e has zero oxidation state.
(પ.ક્ર.: $Mn\, = 25, Co\, = 27, Ni\, = 28, Zn\, = 30$)