题目内容：
根据以下材料，回答题Intheearlypartofthetwentiethcentury,racismwaswidespreadintheUnitedStates.ManyAfricanAmericanswerenotgivenequalopportunitiesineducationoremployment.MarianAnderson
(1897--1993)wasanAfricanAmericanwomanwhogainedfameasaconcertsingerinthisclimateofracism.ShewasborninPhiladelphiaandsanginchurchchoirsduringherchildhood.Whenshe
appliedforadmissiontoalocalmusicschoolin1917,shewasturneddownbecauseshewasblack.
Unabletoattendmusicschool,shebeganhercareerasasingerforchurchgatherings.In1929,shewenttoEuropetostudyvoiceandspentseveralyearsperformingthere.Hervoicewaswidely
praisedthroughoutEurope.ThenshereturnedtotheUSin1935andbecameatopconcertsingerafterperformingatTownHallinNewYorkCity.
RacismagainaffectedAndersonin1939.WhenitwasarrangedforhertosingatConstitutionHallinWashington,DC,thedaughtersoftheAmericanRevolutionopposeditbecauseofhercolor.
ShesanginsteadattheLincolnMemorialforover75,000people.In1955,AndersonbecamethefirstblacksoloisttosingwintheMetropolitanOperaofNewYorkCity.Thefamousconductor
Toscaninipraisedhervoiceas"heardonlyonceinahundredyears".ShewasaUSdelegatetotheUnitedNa-tionsin1958andwontheUNpeaceprizein1977.Andersoneventuallytriumphed
overracism.
Accordingtothispassage,whatdidMarianAndersondobetween1917and1929.9 A．Shestudiedatamusicschool.
B．Shesangforreligiousactivities.
C．ShesangatTownHallinNewYork.
D．ShestudiedvoiceinEurope.
参考答案：
答案解析：