{"answers": "D", "options": ["f : it is difficult for me to check out more books , though i can borrow 10 books at a time .", "f : i can keep the books longer than a month by renewing them . same thing with magazines .", "f : ok , i can show you my student id card . i will borrow three books today .", "f : i see . if i want to keep the books longer than a month , i need to renew them ."], "article": "f : could you tell me how to borrow books in the library ? m : sure , all you need is your student id card to check out books and read . f : how many books are my allowed to check out at a time ? m : 2 books at a time , except magazines . they have to be read within the library . f : how long can i keep the books ? m : for one month . if you ca n't return the books in time , you 'll be fired . but if you renew them , you can keep them longer .", "id": "train_3631"}