ACCorDing to thE pAssAgE, thE mAin DiFFErEnCE BEtwEEn A homogEnEous soCiEty AnD A hEtErogEnEous onE liEs in
A．thE numBEr oF opportunitiEs oFFErED.
B．thE nAturE oF ConFliCts oF intErEst.
C．thE AwArEnEss oF thE nEED For ChAngE.
D．thE rolE oF soCiAl orgAnizAtions.