What is the best way to avoid getting hooked on the Internet

A．So that they are protected from scratches by the crane’s talons.
B．So that they aren’t exposed to infectious diseases.
C．So that the chicks can be examined in a sterile environment.
D．So that the chicks don’t become dependent on humans.

A．The Internet is the greatest progress for this century.
B．Efforts are needed to control Internet.
C．Paraguay refused to sign a treaty for transmission.
D．The United Nations has found ways to prevent the Internet from developing.