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 do we learn from the passage about Paris

A.There are 200 vehicles for every kilometer of roadway.
B.It has a dense population.
C.There are many museums and palaces.
D.It has many towering buildings.