From below, choose the answer that lists all of those features we can find at Stonehenge today.
A. the Trilithon Horseshoe, Sarsen Circle, and Timber posts
B. the Trilithon Horseshoe, Sarsen Circle, and bluestones
C. the Trilithon Horseshoe, Sarsen Circle, and Aubrey holes filled with cremation deposits
D. the Trilithon Horseshoe, Sarsen Circle, bluestones and several large, specially arranged individual stones