A. can save people plenty of time B. can ensure a good score in an exam C. enable people to make better decisions D. may measure the success people have achieved 参考答案:A 答案解析:[解析] 推理判断题。习惯性行为的有用之处在于,人们不必做出新的决定,从而节约大量时间,第一段倒数第二句用疑问句说明了这个道理,[A]项为正确答案。[B]和[D]项与程序化决定相关,不符题干要求。无须