单项选择题


Questions 27 and 28 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.
Why did the United States President dismiss the Bosnian Serb referendum

A.To delay the military action.
B.To reject the Vance Owen plan.
C.To destroy its elaborate ethnic quiet.
D.To press reluctant Europeans for military action.