【单选题】
·you will hEAr A prEsEntAtion ABout CountErtrADE.
·mArk onE lEttErA,B、orC、For thE CorrECt AnswEr.
·you will hEAr thE rECorDing twiCE.
Firms in inDustriAl CountriEs AttACh importAnCE to CountErtrADE BECAusEA、CountErtrADE mAy intEnsiFy intErnAtionAl CompEtition AnD improvE thE quAlity oF thEir proDuCts.B、CountErtrADE mAy hElp thEm EntEr into nEw mArkEts.C、thE pArty rECEiving thE gooDs proviDED By thEm will usE thEsE gooDs EFFECtivEly.