Which of the following pairs of species has same electronic configuration [UPSEAT 2002]

• A.                 \[Z{{n}^{2+}}\] and \[N{{i}^{2+}}\]          
• B.                 \[C{{o}^{+3}}\] and \[N{{i}^{4+}}\]
• C.                 \[C{{o}^{2+}}\] and \[N{{i}^{2+}}\]          
• D.                 \[T{{i}^{4+}}\] and \[{{V}^{3+}}\]