Questions 29～30 are based on the following news from the BBC or the VOA. At the end of the news item, you will be given 10 seconds to answer the two questions.Now listen to the news. According to Mr. Annan, what may be a source of problems facing the world
A．Imports from developing countries. B．Private corporations a lack of attention to problems in Africa. C．Imports from developed countries. D．Changes associated with globalization.