【单选题】

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.
What is the main idea of the passageA．Tile creation of the way of advertising on the television.
B．The development of the advertising on the television.
C．The masons of the television advertising getting its popularity.
D．The comparison of the ways of advertising on the television between different countries.