【正确答案】
A
【答案解析】[听力原文]24-25
Mr Scott thought that he was very good at fixing household appliances when they broke, so when Mrs Scott told him that she needed a new vacuum cleaner, he said, "What's wrong with the old one? I can easily fix it."
Mr Scott fixed the vacuum cleaner, but the same thing happened again several times, until one day, after he had unscrewed all the parts, and had gone to have lunch, Mrs Scott added a few extra pieces to the piles on the floor.
"Do you know," she said to her friend, Mrs. Brown, the next morning, "if I'd just taken away a few pieces, he'd have noticed that they were missing, and would have gone out and bought some more. But when he couldn't find places for all the pieces that were on the floor, he gave up and agreed to buy me a new machine.\