【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.
By thE EnD oF thE ConvErsAtion, thE mD、 A、is still not surE hE wAnts to usE An AgEnCy.B、is EnthusiAstiC ABout using An AgEnCy.C、hAs DECiDED AgAinst using An AgEnCy.