单项选择题

Questions 9 and 10 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. In the effort to calm the market, the United States Treasury put emphasis on ______.

A.the development of the market.
B.the strength of the American economy.
C.the prospect of low inflation and low employment.
D.the strength of the payment and settlement systems.