Questions 23 and 24 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions. Now, listen to the news. S. Korea subway arson injured______.

A．She is trying to "cure" herself on raw vegetables.
B．She is taking nothing but vegetables and nuts.
C．She is spending all day walking about here.
D．She eats some raw and fresh provided food.

A．the different use of bicycling
B．the important use of bicycling
C．the influence of bicycling on economy
D．the part bicycling can play in economy