whiCh oF thE Following illustrAtivE DEviCEs is not usED in thE pAssAgE
A．A ContrAst oF DiFFErEnt points oF viEw
B．An AnAlogy thAt sEEks to illustrAtE
C．An ExAmplE oF A thEory's AppliCAtions
D．ExpostulAtion oF A thEory's prEDiCtions
E．(E) rEpEtition oF kEy iDEAs AnD ExprEssions