The set of furniture is ________a bed and a cabinet，a table and four chairs，which are ________steel and wood．A.made of；made fromB.made from；made up ofC.made up of；made ofD.made up of；made from
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C解析分析：文中所述的一套家具（the set of furniture）是由一床、一柜、一桌和四把椅子几个独立的构件组成的，应使用be made up of；而句末的非限制性定语从句说明这几样东西的组成成分：是由钢和木头做成的，使用be made of。延伸点：本题中要注意区别由make构成的几个短语的区别：be made up of意为“由……组成／构成”，可以指人或物，着重所指对象的构成成分；be made of和be made from均意为“由……制造”，但前者指“制成品中能够看出所使用的原材料”，而后者指“制成品中不能够看出所使用的原材料”。例如：The desks and chairs were made of wood．这些桌椅是由本头制的。The wine was made from grapes．酒是由葡萄酿造的。