whiCh oF thE Following is not mEntionED As A CAusE For thE slow growth oF joB opportunitiEs
A．mErgErs AnD ChAllEngEs in thE AirlinE inDustry.
B．ADvAnCEmEnt in tEChnology.
C．ADvAnCED BusinEss CommuniCAtion mEAns.
D．tErrorists' AttACks.