单项选择题

In this section you will hear everything ONCE ONLY. Listen carefully and then answer the questions that follow. Mark the correct answer to each question on ANSWER SHEET TWO.
Questions 6 and 7 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 classified papers in the leak cover military activities that

A. were performed by NATO armies.
B. made Pakistan and lran be targets.
C. once threatened the U. S. national security.
D. includes some inhuman killings.