In view of the global financial crisis, every possible means to stimulate the economic de

网友回答

A. have tried
B. have been tried
C. has tried
(答案→)D. has been tried
解析：选D　考查主谓一致和语态。句意：由于全球金融危机，中国已经采取每一种可能的方法来刺激经济的发展。every possible means作主语，此处means是单数可数名词，故谓语用单数，再由句意知需用被动语态。