The government must be very about setting policies and make no decision until they are quite sure it is the right one.
A. particular
B. concerned
C. cautious
D. certain
网友回答
A. particular
B. concerned
(答案→)C. cautious
D. certain
解析：考查形容词：句意：政府制定政策时必须非常谨慎，在确信决策正确之前不可做决定。Be particular about对……讲究/挑剔； be concerned about对……关心； be cautious about对……小心的，谨慎的； be certain about对……肯定的。所以选C。