The pair of ions having same electronic configuration is

• A

  ${\mathrm{Cr}}^{3+},{\mathrm{Fe}}^{3+}$

• B

  ${\mathrm{Fe}}^{3+},{\mathrm{Mn}}^{2+}$

• C

  ${\mathrm{Fe}}^{3+},{\mathrm{Co}}^{3+}$

• D

  ${\mathrm{Sc}}^{3+},{\mathrm{Cr}}^{3+}$