【单选题】

{{I}}Question 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 question. Now listen to the news.{{/I}} Why have U.S. government temporarily closed theAmerican consulate in Lagos

A、Because of political disturbance there.
Because of economic crisis there.
C．Because of security threat there.
D．Because of the workers’ strike there.