thE Author usEs thE CAsE oF DAniEl pEArl AnD niCk BErg to ______.
A．show thE intEnsiFiED situAtion oF tErrorist tError in thE unitED stAtEs
B．ExprEss his AngEr ovEr thE inhumAn ACts oF thE tErrorists
C．ExprEss his ConDolEnCE ovEr thE DEAth oF thE two AmEriCAn FEllow CitizEns
D．illustrAtE thE rAmpAnt outpouring oF unhEAlthy violEnt ContEnts on intErnEt