Questions 14 to 17 are based on the following
passage. At the end of the passage, you will be given 20 seconds to answer the
questions. Now listen to the passage.
Why does television carry more national advertising than any other medium in Portugal
A．Because it is the most economic way of advertising. B．Because it is the most vivid way of advertising. C．Because it is the only medium reaching a general national audience. D．Because it is the only legal medium of advertising in the country.