请阅读短文，完成此题。 Backintheolddays,whenIwasachild,wesataroundthefamilyroundtableatdinnertimeandexchangedourdailyexperiences.Itwasn'tveryorganized,buteveryonewasrecognizedandallthenewsthathadtobetoldwastoldbyeachfamilymember. Welistenedtoeachotherandtheinterestwasnotput-on;itwasreal.Ourfamilywasaunitandwesupportedeachother,andnurturedeachother,andlikedeachother,and--wewereevenwillingtoadmit--welovedeachother. Today,thefamilyroundtablehasmovedtothelocalfast-foodrestaurantandtalkisnoteasy,muchlessencouraged. Grandma,whousedtoliveupstairs,isnowthevoiceonlongdistance,andtheworkingparentsfartoobeatendowneachdaytospendeveningrelaxationtimelisteningtothesandboxexperienceofaneagerfour-year-old. Sofamilyconversationisasextinctasmyoldtoysandparentalquestionssuchas"Whathaveyoubeendoing,Bobby?"havebeenreplacedby"I'mbusy,gowatchtelevision."AndwatchTVtheydo;countthembythemillions. Butit'susuallynotchildren'stelevisionthatchildrenwatch.Saturdaymorning,thechildren'shour,amountstoonlyabout8percentoftheirweeklyviewing. Wherearetheytobefound?Watchingadulttelevision,ofcourse,fromtheMatchGameinthemorning,totheafternoonatGeneralHospital,fromthemuggingsandbattlesontheeveningnewsrightthroughthefamilyhourandpastintoStarskyandHutch.That'swhereyoufindourkids,overfivemillionofthem,at10p.m.,notfewerthanamillionuntilaftermidnight!Allofthisisdonewithparentalpermission. Television,usedwell,canprovideenrichingexperiencesforouryoungpeople,butwemustuseitwithsomesense.Whenthecarpetisclean,weturnoffthevacuumcleaner.Whenthedishesareclean,thedishwasherturnsitselfoff. Notsothetelevision,whichisonfromthesuninthemorningtothemoonatnightandbeyond! Parentsmustexercisesomecontrolandshowsomeconcernabouttheculturalinfluenceonthechildwhenaprogramnotintendedforthatchildisviewed.Parentsneedtointervene.Noninterventionmaybeawisepolicyininternationalaffairs,buttheresultsofparentalnoninterventionwillnotbewiseatall. Theworkingparentisnotwillingtolistentoher(his)four-year-oldchildtalkingabouthissandboxgamesbecauseshe(he)is__________. 查看材料
A.boring
B.very tired
C.busy
D.angry
正确答案是B