The police officers in our city work hard the rest of us can live a safe life.
A. in case
B. as if
C. in order that
D. only if
网友回答
A. in case
B. as if
(答案→)C. in order that
D. only if
解析： 词义辨析。in case以免，以防；as if 仿佛，好像；in order that为了；only if只要就，只有。句意：我们城市的警察们努力工作为的是让我们能过上安全的生活。所以选C。