① furniture是不可数名词,查字典确认过了.
所以要说“一件家具”,就是 a piece of furniture
② be made of prep.由...组成(看得见原材料)
be made from 用……制成(看不出原材料)
家具应该能看到木头和金属,所以应该用be made of
综上,选择C
① furniture是不可数名词,查字典确认过了.
所以要说“一件家具”,就是 a piece of furniture
② be made of prep.由...组成(看得见原材料)
be made from 用……制成(看不出原材料)
家具应该能看到木头和金属,所以应该用be made of
综上,选择C