Britain's university system is （ ）of falling apart at the seams.
A、in danger B、without question C、on guard D、at large 【正确答案】：A 【题目解析】：本题考查介词短语辨析。in danger “处于危险中”，without question “毫无疑问”，on guard “提防，警惕”，at large “详尽地，普遍地，逍遥法外”。句意：英国的大学体系面临分崩离析的危险。故选A。
