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