单选题 ______care would have prevented it.
  • A. A few
  • B. A little
  • C. Few
  • D. Little


【正确答案】 B
【答案解析】本题考查形容词用法。a little修饰不可数名词；a few修饰可数名词；few和little有否定含义。根据句意，B正确。句意为：当心一点就会阻止这件事情发生。