【单选题】
·you will hEAr jAnEt willis, A mAnAgEmEnt ConsultAnt, ADvisingDAviD smith, A mAnAging DirECtor, ABout using A mArkEting sErviCEs AgEnCy.
·For EACh quEstion (23-30), mArk onE lEttErA,B、orC、For thE CorrECt AnswEr.
·AFtEr you hAvE listEnED onCE, rEplAy thE rECorDing.
why DoEs jAnEt willis think thEy nEED to usE An outsiDE AgEnCyA、BECAusE thE BusinEss is growing quiCklyB、BECAusE thE BusinEss is not growing FAst EnoughC、BECAusE thE BusinEss is FAlling BEhinD its CompEtitors