The sentence from section 4 has a spelling error, the answer that corrects the mistake is "They are about three feet long and live in burrows"
Explanation:
The section 4 talks about the kind of life that two marsupials, the wombat and the Tasmanian devil have, this includes their habitat were the correct word to use is burrows. Burrows are holes or tunnels that this kind of animal use as a place to live or refuge, the word has a spelling mistake by being misplaced for borrows.