单项选择题

Question 26 and 27 are 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. What is the news mainly about

A.A bomb attack happened in Beslan.
B.An activity in commemoration of a man-made disaster.
C.A school in Southern Russia.
D.Chechen rebels in Russia.