【单选题】

In this section, you will hear several passages. Listen to the passages carefully and then answer the questions that follow.

Questions 11 to 13 are based on the following passage.At the end of the passage, you will be given 15 seconds to answer the questions. Now, listen to the passage.
What is one reason why the railroad industry is gaining public supportA．It contributes less to air pollution than other kinds of transportation.
B．Its competitors are inconsiderate of customers.
C．It preserves a traditional way of doing business.
D．It creates personal fortunes for investors.