Which part has a mistake?AThe filmBthat I saw yesterdayCthat's about an old manDwho was living a long time agoAnswer: D. who was living a long time ago Read Explanation: The phrase "who was living a long time ago" contains a mistake.The corrected sentence should be: "The film that I saw yesterday that's about an old man who lived a long time ago."In this corrected version, "who lived a long time ago" is the appropriate phrasing. Read more in App