{"answers": "C", "options": ["m : you bought it just a week ago . no wonder it 's very new .", "m : you got the radio two weeks ago and has been using it ever since .", "m : so two weeks ago , you bought the radio , but it worked for only one week .", "m : let me check the receipt . your radio was bought a month ago ."], "article": "m : good morning , madam . what can i do for you ? f : i bought this new radio here half a month ago , then i posted it to my daughter who is studying english in shanghai foreign language university . but a week later she posted it back , saying that it does n't work . i do n't know why . could you help me check out the radio ?", "id": "train_2226"}