一篇阅读理解中的一道题目!
ThefirstrealityTVshowintheworldwascalledExpeditionRobinsonanditwasshowninSwedenin1997.HalfthepopulationofthecountrywatchedthefinaleventandanewkindofTVprogramwasborn.TwoyearslaterinHolland,thefirstseriesofBigBrotherwasfilmed.Again,itwasagreatsuccessandthefinalprogramwaswatchedby15millionpeople.Nowmorethan20countriesaroundtheworldhaveBigBrotherorExpeditionRobinsonontheirTVscreens.TheordinarypeoplewhotakepartintheprogramsareknownbymillionsofpeopleintheirowncountriesandrealityTVhasbecomebig,bigbusiness.
FortheTVproducers,realityTVisadreamcometruebecausemanyoftheprogramscostnothingtomake.Atsomepoint,thetelevisionviewers(观众)areaskedtotelephonetheprogramtovoteortoapplytotakepartintheshow.Itisthecostofthesetelephonecallsthatpaysfortheshows.OneofthemostpopularshowsisPopIdol.Intheshow,agroupofattractiveyoungpeoplearemadeintopopstars.TVviewersvotefortheirfavoritepersonontheshow.Thewinnermakesarecordandmillionsofcopiesoftherecordaresold.Hisorherpicturesarepublishedonthecoversofmagazinesoronthefrontpagesofnewspapers,andthen,theyarequicklyforgotten.
60.ThosewhotakepartinrealityTVshowsareusually_________.
A.commonpeopleB.popTVstarsC.attractivepeopleD.famousfilmstars
问为什么不可以选择A!