Question 8 is based on the following news. At the end of the news item, you will be given 10 seconds to answer the question. Now listen to the news.

A．challenged the accord for freezing Pyongyang's nuclear programme.
B．required the inspection of Pyongyang's nuclear site for at least five years.
C．were worried that North Korea may take advantage of the concessions.
D．blamed the US negotiator for making no compromises with-North Korea.