·you will hEAr A tAlk givEn By, A spokEsmAn oF thE u.s. intErnAtionAlCommuniCAtionDEpArtmEnt. hE tAlks ABout A numBEr oF privAtEly ownED tElEphonE DisCountEr AttACking thE CArtEl oF nAtionAl tElEphonE monopoliEs thAt kEEps thE priCE oF intErnAtionAl CAlls high. ·For EACh quEstion 23—30, mArk onE lEttErA,
B、orC、For thE CorrECt AnswEr. ·you will hEAr thE rECorDing twiCE. ACCorDing to thE spokEsmAn, A BAnD oF thEsE tinyAmEriCAn DisCountErs will BE ______.
A、D、vAlign=top>
A、prospErous
B、D、vAlign=top>
B、limitED to An ExtEnt
C．D、vAlign=top>C、short-livED