单项选择题

Questions 7 and 8 are based on the following news. At the end of the news item, you will be given 20 seconds to answer the questions. Now listen to the news. The Russia’s request for two computers was refused because the United States wanted to prevent their use in

A.US Customs Service.
B.Russia’s nuclear programme.
C.US Department of Commerce.
D.Russia’s non-military labs.