● listEn to thE tAlk on import rEgulAtions.● For EACh quEstion 23--30, mArk onE lEttErA,
B、orC、For thE CorrECt AnswEr.●AFtEr you hAvE listEEnED onCE, vErplAy thE rECorDing. thE proDuCt oF top-sElling is ______ .
A、

A、CmAt

B、

B、AmAt

C、

C、BmAt