题目内容：
根据以下材料，回答题Almosteveryfamilybuysatleastonecopyofanewspapereveryday.Somepeoplesubscribetoasmanyastwoorthreedifferentnewspapers.Butwhydopeoplereadnewspapers?
Fivehundredyearsago,newsofimportanthappenings-battleslostandwon,kingsorrulersoverthrownorkilled-tookmonthsandevenyearstotravelfromonecountrytoanother.Thenewspassedbywordofmouthandwasneveraccurate.Todaywecanreadinournewspapersofimportanteventsthatoccurinfarawaycountriesonthesamedaythey.happen.
Apfutfromsupplyingnewsfromallovertheworld,.newspapersgiveusalotofotherusefulinformation.Thereareweatherreports,radio,televisionandfilmguides,bookreviews,stories,and,ofcourse,advertisements.Thereareallsortsofadvertisements.Thebiggeronesareputinbylargecompaniestobringattentiontotheirproducts.Theypaythenewspapersthousandsofdollarsfortheiradvertisingspace,butitisworththemoney,fornewsoftheirproductsgoesintoalmosteveryhomeinthecountry.Forthosewhoproducenewspapers,advertisementsarealsoimporl.ant.Moneyeamedfromadvertisementsmakesitpossibleforthemtoselltheirnewspapersatalowpriceandstillmakeaprofit.
Inthepast,newswas. A．sentbytelegraph
B．sentbyletter
C．passedfromonepersontoanother
D．sentbytelephone
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