{"answers": "C", "options": ["f : i think we can try to go home by subway .", "f : here is a taxi that can take us to the shopping mall .", "f : ok , let wait the taxi on the roadside .", "f : the bus is coming , let 's go home ."], "article": "f : how are we going to get home ? it 's so late that the buses and subways of all stopped running . m : it looks as though we have no choice but to call the taxi .", "id": "dev_643"}