通读下面的短文，掌握其大意。然后，从每小题的四个选择项中选出可填入相应空白处的最佳选项。

     In nearly every town or city centre in the UK, on most days of the week you can find one or more people standing in the street selling a magazine  The Big Issue. These people are all  , but they are not begging for money.  , they are selling the magazine as a means (手段) of  a small but respectable living.
     The Big Issue magazine was  in 1991 by Jon Bird and Gordon Roddick after they  that there were many homeless people who were  on the streets of London. On a previous (之前的)  to New York, one of them had seen homeless people selling a newspaper known as Street News  they decided to set up something  in the British capital.
     Nowadays, The Big Issue has  all over the UK and there are even different versions (版本) of the magazine in different parts of the  . The sellers buy each magazine from the organization for seventy pence and then sell it to a  for one pound fifty. By working with The Big Issue, many people have been  to escape from homelessness, and  many of them have moved on to new jobs and new lives.