Context: This was a busy weekend . Right now , my body feels like it has walked a thousand miles , but I ' m sure it 's closer to ten or fifteen . On Saturday , we ventured into the Great Smokey Mountains National Park .

Question: Why does the writer 's body feel like it 's walked a thousand miles ?
Options:
0. Because they are tired from doing a lot of walking
1. Because it was the weekend
2. None of the above choices .
3. Because they ventured into a park
Answer: 0