单项选择题

Task1 Directions:Afterreadingthefollowingpassage,youwillfindfivequestionsorunfinishedstatements(No.46toNo.50).ForeachquestionorstatementtherearefourchoicesmarkedA,B,CandD.YouarerequiredtomakethecorrectchoiceandwritethecorrespondingletterontheAnswerSheet. Manypost-80scouplesarecomplainingthatgoingtothemovies,shoppingorattendingpartieshavebecomeimpossiblesincetheirkidswereborn.That’sthewaymostparentsarelivingtheirlives,noweekendsoftheirown,notimetovisitfriends,notevenachanceofpromotionintheirjobs. Askinghelpfromtheirparentsmightbeawayout,butproblemsarethatsomeagingparentsarenotstrongenoughtotakecareofthekids,andthatthekidsmayalsobecometoospoiledbytheirgrandparents. Then,herecomesasolution:familieswithkidscanformasmallgroup,andparentsofeachfamilycantaketurnstolookafterallthekidsinthisgrouponweekends.Thus,otherparentscanhavesomequiettimeandfeelfreetodosomethingthey’vebeenplanningforalongtime.Atthesametime,thekidscanmakenewfriendsandwon’tbehangingaroundtheirparentsalldaylong.Thisisbaby-pooling. Whatis(are)theadvantage(s)ofbaby-pooling __________ .