iF you wAnt to gEt somE inFormAtion on A pArtiCulAr topiC, you'D BEttEr ______.
A．sEEk hElp From rEFErEnCE liBrAriAns
B．look it up in thE CArD CAtAlog
C．go to thE opEn-shElF liBrAry
D．Ask For A pArt-timE ClErk's suggEstion