thE purposE oF this sElECtion is to______.
A．DEsCriBE thE supEriority oF thE DEvElopED nAtions
B．strEss thE nEED For sCiEntiFiC AnD EDuCAtionAl DEvElopmEnt
C．provE thAt unDErDEvElopED nAtions ArE BACkwArD
D．show thE povErty AnD ignorAnCE oF thirD worlD CountriEs