By CompAring pAst proBlEms with prEsEnt onEs thE Author DrAws AttEntion to thE ______ .
A．signiFiCAnCE oF this Crisis
B．inADEquACy oF govErnmEnts
C．similArity oF thE pAst to thE prEsEnt
D．hopElEssnEss oF thE situAtion