A．some radio broadcasting stations use hotlines for advertisements.
B．it is not a good idea for some radio broadcasting stations to use hotlines.
C．some people use hotlines in a wrong way.
D．some people have unclear thoughts.
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A．Some listeners phone the hotlines for fun.
B．Some people just want to be heard by others.
C．Some people who don't care what the topic is must have realized that they appear to be silly.
D．Listeners are encouraged to take part in the hotline programmes by the radio station.
A．They are perfect.
B．They need to be improved.
C．They are nuisances.
D．They are dispensable.
A．Saudi Arabia.
B．Egypt.
C．Syria.
D．Jordan.