阅读下列短文，从每题所给的A.B.C和D项中，选出最佳选项。GETYOURDEGREEATHOME!HaveyoueverwonderedwhataDegreemightbeworthtoyouinyourjoborcareer(事业)?ItmeansalotofAmericanswithanAssociateDegreeaveragenearly$10,000moreinyearlyearningsthanthosewithjustaHighSchoolDiploma(毕业证).HarcourtLearningDirectoffersyouawaytogetaSpecializedAssociateDegreein11oftoday’sgrowingfields-withouthavingtogotocollegefulltime.WithHarcourt,youstudyathome,inyoursparetime-soyoudon’thavetogiveupyourpresentjobwhileyoutrainforabetterone.ChoosefromexcitingmajorslikeBusinessManagement,Accounting,Dressmaking＆Design,Bookkeeping,Photography,ComputerScience,Engineering,andmore!Yourtrainingincludeseverythingyouneed!Books,lessons,learningaids-evenprofessional-qualitytoolsandequipment-everythingyouneedtomasteryourtrainingandmoreaheadtoanewcareerisincludedinthelowtuition(学费)priceyoupay.Youreducationisnationallyrecognized!Nearly2,000Americancompanies-includingGeneralElectric,IBM,Mobile,GeneralMotors,Ford,andmanyothers-haveusedourtrainingfortheiremployees.Ifcompaniesliketheserecognizethevalueofourtraining,youcanbesurethatemployeesinyourareawill,too!Earnyourdegreeinaslittleastwoyears!Getacareerdiplomainjustsixmonths!Thecareerofyourdreamsiscloserthanyouthink!Evenifyouhavenoexperiencebefore,youcangetvaluablejobskillsintoday’shottestfields!Step-by-steplessonsmakelearningeasy.Prepareforpromotions(提升),payraises,evenstartabusinessofyourown!SendtodayforFREEinformationaboutHarcourtathometraining!Simplyfillinyournameandaddressonthecoupon(票券)above.Thenwriteinthenameandnumberoftheoneprogramyou’remostinterestedin,andmailittoday.We’llrushyourfreeinformationabouthowyoucantakeadvantageoftheopportunities(机会)inthefieldyou’vechosen.Acttoday!Mailcoupontoday!Orcallthenumberbelow1-800-372-1589.Callanytime,24hoursaday,7daysaweek.www.Harcourt-learning.comE-mail：Harcourt＠learning.com.1.Thisadvertisementaimsatcallingonpeopleto________.A.attendfull-timeuniversitiesB.workparttimetofurthertheireducationC.improvetheireducationathometogetbetterjobsD.earntheir