What is the correct electronic configuration of the central atom in $K_4[Fe(CN)_6]$ based on crystal field theory?

Question

( A ) $e^3t^3_2$
( B ) $e^4t^2_2$
( C ) $t_{2g}^{4}e^{2}_{g}$
( D ) $t_{2g}^{6}e^{0}_{g}$