· you will hEAr An intErviEw with ms spEnCEr ABout thE ChAngE oF tElEphonE numBErs in thE City.
· For EACh quEstion 23-30, mArk onE lEttErA,B、orC、For thE CorrECt AnswEr.
· you will hEAr thE intErviEw twiCE.

ovEr thE nExt 5 yEArs, EvEry phonE numBEr in thE City will gAin An ExtrAA．

A、8 Digits.

B．

B、2 Digits.

C．

C、1 or 2 Digits.