单选题 Butter and bread ______ their daily food, but the bread and the butter up now.
  • A. is; is eaten
  • B. are; have been eaten
  • C. are; are eaten
  • D. is; have been eaten
【正确答案】 D
【答案解析】[解析] “butter and bread”是单数名词，意思是“抹黄油的面包”或“面包抹黄油”，故动词用单数形式，排除B选项和C选项；“the bread and the butter”是指“面包和黄油”，是复数名词，排除A选项。故选D。