• A．one communication method without integration
• B．development of new telecommunications equipment
• C．the brain of the next generation network
• D．his particular assigned number
  E different devices and media
  F transformation of old circuit-based networks

From this passage we know that in the near future everyone is contacted by others through______

A．People who eat meat usually have weaker immune systems compared to those of vege- tarians.
B．A lot of food and water are consumed in order to raise livestock.
C．90% of animals are raised in confinement.
D．Raising Animals causes most of the destruction of the nature.