quEstions 22～25 ArE BAsED on thE Following tElEphonE intErviEw.

whAt DoEsDr thomAs proBABly think ABout thE Cost oF thE nEw wEightA．it is A smAll Amount to pAy For so muCh prECious mEtAl.
B．it is DiFFiCult to juDgE thE vAluE oF suCh An oBjECt.
C．it is rEAsonABlE For An oBjECt with suCh An importAnt FunCtion.
D．it is too high For suCh A light wEight.