The small, stone village known as Skara Brae was built sometime around 3100 BCE. The first villagers dug down into an existing midden heap, or trash heap, to build the foundations of their homes. The garbage helped to insulate and protect the homes. They built their round huts with stones found locally, sticking each piece together with a paste made from ground-up waste and dung. Which of the following correctly paraphrases the excerpt? O The ancient people who lived in Skara Brae created a lot of garbage, and this meant that their houses were surrounded by garbage. The houses found in Skara Brae were dirty because they were built on garbage piles. The villagers did this to keep out enemies. O The people of Skara Brae built their stone houses in trash heaps in order to help keep them insulated and warm in the winter. The village of Skara Brae was built close to trash because the people used it as insulation in the stone walls of their houses!