An ExAmplE oF tElECommuting As DEsCriBED in thE pAssAgE is thAt_________.
A．A ComputEr tEChniCiAn rEpAiring An oFFiCE ComputEr nEtwork
B．A sCiEntist in A lABorAtory DEvEloping plAns For A spACE stAtion
C．A tEAChEr DirECting ComputEr-AssistED lEArning in A privAtE sChool
D．A tEChniCAl writEr sEnDing viA ComputEr DoCumEnts CrEAtED At homE