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. The dispute over the spying case has for the moment been diffused because ______.
A．a reasonable and satisfactory solution had been found B．Mr. Imperatori had ended his hunger strike C．Mr. Imperatori was allowed to return to the US to defend himself D．economy interests demanded