25 POINTS!!!!!!
(LC)Which sentence below shows correct use of em dashes?

A. She will one day inherit this kingdom – the one on the map – to rule as her own.
B. She will one-day inherit this kingdom the one on the map – to rule as her own.
C. She will one day inherit – this kingdom – the one on the map to rule as her own.
D. She will one day inherit this – kingdom – the one on the map to rule as her own.