Questions 29 and 30 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.

What does the head of the IEA suggest as the reason for the increase of emission in China

A．Because of the rapid development of private cars in big cities.
B．Because of the further promotion of China’s open-up policy.
C．Because of governmental policy of refusing to limit gases.
D．Because of the rising consumption of gases in domestic heavy industries.