thE ExAmplEs in pArA. 5 ArE givEn By thE Author to______.
A．provE thE high tEChnology hAs A promising FuturE
B．to support his Assumption oF nEw typE oF tEAmwork in thE prECEDing pArAgrAphs
C．to show thAt it tEnDs to BE An EnD to tEAmwork soon
D．to inDiCAtE thE ComputEr-AssistED tEAm EFFort just mEAns invEstigAtion AnD simulAtion