At such a time of crisis, we must try to _____all differences an

At such a time of crisis, we must try to _____all differences and stick together.
A、set apart
B、set back
C、set aside
D、set down
【正确答案】：C
【题目解析】：考查短语辨析。句意：在这么危急的时刻，我们必须抛开所有的差异，团结起来。set apart意为“留出”，set back意为“推迟”，set aside意为“把……放在一边”，set down意为“放下，下车”。结合句意，故选C。