Questions 4 to 7 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer, the questions.
Now listen to the conversation.
If she is the dummy, the woman will probably do all of the following EXCEPT______

A．To show the key role played by the air traffic controller.
B．To show the great responsibility of the pilots.
C．To give an example of air disasters.
D．To show that air travel is far safer than driving a car.

A．Heavy rains and storms caused rivers to overflow.
B．Flooding forced evacuation in seven counties.
C．Flooding damaged homes and cut off electricity.
D．Heavy rains and flooding kept banks close