单项选择题

Questions 17 to 20 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 impression will a tourist get of Hong Kong

A.It is a city of contrasts.
B.It possesses many historical sites.
C.It is an important industrial center.
D.It has many big and beautiful parks.