[单选题]HelenKellerwasbornnormalandhealthy.Butwhenshewasoneyearold,shehadaseriousillnesswithaveryhighfever.Afterthat,Helenwasneverabletoseeorhearagain.AsachildHelenwasangryandlonely.Butahappythinghappenedwhenshewassixyearsold.Herparentsgotateacherforher.TheybroughtayoungwomanAnneSullivantostayattheirhouseandhelpHelen.Aftermuchhardwork,Helenbegantolearnsignlanguage.AnnetaughtHelenmanyimportantthings,suchashowtobehavelikeotherchildren.BecauseHelenwassosmart,shelearnedthingsveryquickly.ShelearnedhowtoreadBraille(盲文).Whenshewaseight,shebecamefamous.Peoplewereamazedatwhatshecoulddo.Whenshewas20yearsold,shewenttocollege.Helendidsowellincollegethatamagazinepaidhertowritethestoryofherlife.Aftercollege,shedecidedtoearnalivingbywritingandgivingspeeches.Shetraveledallaroundtheworld.Sheworkedtogetspecialschoolsandlibrariesfortheblindanddeaf.Shewrotemanybooks,includingoneaboutherteacher,AnneSullivan.21.WhichofthefollowingstatementistrueaboutHelenKeller?
