单项选择题
Question 18 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.
According to the news, NATO and Russia（）
A．have finalized a charter on their new relationship.
B．still have differences in military and political issues.
C．will hold a fifth round of talks in Luxembourg.
D．made no progress in this round of talks.