whAt wAltEr lippmAnn mEAns is thAt______.
A．somE govErnmEnt lEADErs CAn nEvEr run thE govErnmEnt EFFECtivEly
B．in solving Any proBlEm, lEADErs shoulD First try to FinD out thE puBliC opinion on it
C．gooD lEADErs shoulD lEArn to DisrEgArD puBliC opinion in poliCy mAking
D．lEADErs shoulD tAkE EFFECtivE DECisions BAsED on sounD juDgmEnt AnD ACt on thEm with DEtErminAtion