阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项。
Xinhua News Agency－The International Conference on Power Engineering (ICOPE) 2013, organized by the Chinese Society of Power Engineering, School of Energy and Power Engineering, China-EU Institute for Clean and Renewable Energy, opened in Wuhan, on Oct 24. More than 300 energy experts, scholars and businessmen from countries and areas including the United States, Japan, the EU, Australia, South Africa, Thailand, Nigeria, Arab and China are attending the three-day academic conference on the world’s energy problems.
