单项选择题

Questions 25 to 27 are based on the following news. At the end of the news item, you will be given 15 seconds to answer the questions. Now listen to the news.
The 12-member delegation was led by ______.

A.France’s UN Ambassador
B.South Africa President Thaho Mbeki
C.former President Ketumile Masire of Botswana
D.former President Nelson Mandela of South Africa