单项选择题

Questions 8 and 9 are based on the following news. At the end of the news item, you will be given 10 seconds to answer each question. Now listen to the news. According to the proposal, by the end of next year the U.S. will reduce its troops in South Korea by ______.

A.3,600
B.12,500
C.8,900
D.16,100