单选题 Some 121 countries may be designated "developing", and of this 121, seventeen countries ______ more than four-fifths of energy consumption.
  • A. amount to
  • B. account for
  • C. add up
  • D. take away
【正确答案】 B
【答案解析】[解析] amount to总计；account for占，解决；add up合计；take away取走。答案是B。