Recent research has confirmed that Stonehenge originally was a

A. religious temple.

B. war monument.

C. royal graveyard.

D. palace.

I believe the answer would be C. Royal graveyard

Built in several stages, Stonehenge began about 5,000 years ago as a simple earthwork enclosure where prehistoric people buried their cremated dead. The stone circle was erected in the centre of the monument in the late Neolithic period, around 2500 BC