Questions 9 to 10 are based on the following news. At the end of the news item, you will be given 10 seconds to answer each question. Now listen to the news. According to Rice, what must Asia-Pacific nations do to maintain economic prosperity
A．They must cooperate with one another. B．They must further promote trade relationships. C．They must combat security threats such as terrorism. D．They must come up with effective trade plans in the APEC forum.