These teams, which _____twenty experienced workers, are working hard here to ___the time they have lost before.A.are made up of; make up ofB.are made up of; make up forC.make up; make up forD.make up for; make up
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A解析考查短语。be made up of 由…组成；make up化妆，编造，弥补，组成；句意：那些由20个富有经验的工人组成的队伍正在努力工作以弥补以前失去的时间。