(单选题)

According to the article, what is the threat that Britain's major economic growth cities are ( ).

A.serious unemployment

B.wars

C.foreign talents drain

D.social instability

参考答案：C

参考解析：

第一段“Company executives and educationalists report some highly skilled foreign nationals quitting or refusing to commit to new jobs in Britain because of uncertainty over their future legal status here”可知由于政策的不确定，大量外国人才流失。A项指的是严重的失业，故不符这句的意思，排除。B项是战争，不符文意。D项指的是社会的不稳定，但文中具体是要说的人才流失。因此答案选C项。

知识点：细节题英语阅读理解通用英语