{"answers": "D", "options": ["f : you can borrow english books here .", "f : miss wang is coming .", "f : i like this textbook , the cover is pretty good .", "f : i like this textbook much better ."], "article": "f : i like this textbook , but the cover is damaged . do you have any other copies ? m : if that is the only copy on the shelf , i 'll give you a discount .", "id": "train_6157"}