ANSWER: The three sentences that are true based on the passage are:
Option B) The people from Great Zimbabwe were skilled stone craftspeople.
Looking at the remains of the three separate blocks of the city, it can be concluded that works of stone were very common amongst them. The Hill Ruins had granite platforms, The Great Enclosure had granite blocks and the Valley Ruins had dry stone walls.
Option C) Great Zimbabwe had a system of social classes.
The country had social classes which is why they had separate living spaces.
Option D) The ruling class lived in the royal city of Great Zimbabwe.
The ruling class lived in the Great Enclosure which were considered the best place in the country of Great Zimbabwe.
