The writer's attitude towards the use of the telephone is （）

A．The telephone has helped to save people from illness and fire.
B．The telephone has helped to prevent wars and conflicts.
C．The telephone has made the modern city neither better nor worse.
D．The telephone has had positive as well as negative effects on us.

A．have already been accepted into the adult world
B．feel that they are superior in a small way to the adults
C．are not likely to win over the adults
D．have a desire to be independent