【单选题】
·you will hEAr A progrAm ABout BusinEss.
·For EACh quEstion (23-30), mArk onE lEttErA,B、orC、For thE CorrECt AnswEr.
·AFtEr you hAvE listEnED onCE, rEplAy thE rECorDing.
why DiD mAny BuyErs postponE thEir purChAsE oF nEw printErsA、thEy wErE wAiting For thE nEw millEnniumB、thEy hAD no monEyC、thE printErs wErE ExpEnsivE