Given below are two statements : Statement (I): The radii of isoelectronic species increases in the order. $$Mg^{2+} < Na^{+} < F^{-} < O^{2-}$$ Statement (II): The magnitude of electron gain enthalpy of halogen decreases in the order. Cl > F > Br > I In the light of the above statements, choose the most appropriate answer from the options given below :

A

Statement I is incorrect but Statement II is correct

B

Statement I is correct but Statement II is incorrect

C

Both Statement I and Statement II are incorrect

D

Both Statement I and Statement II are correct