单选题 Many of these 'decision-support' programs are poorly conceived and can be a waste of both time and money.
  • A. plan
  • B. game
  • C. computer
  • D. software


【正确答案】 D
【答案解析】software“软件”；plan“计划”；game“游戏”；computer“电脑”；program“程序”。