The group having isoelectronic species is:
- A$O^{2-}, F^{-}, Na^{+}, Mg^{2+}$
- B$O^{-}, F^{-}, Na, Mg^{+}$
- C$O^{2-}, F^{-}, Na, Mg^{2+}$
- D$O^{-}, F^{-}, Na^{+}, Mg^{2+}$
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