单选题 I've worked ______ four hours on this article, I'm completely ______.
  • A. in, concentrated
  • B. at, distorted
  • C. out, captured
  • D. for, distracted
【正确答案】 D
【答案解析】句意：这篇论文我已经写了四个小时了，写的我心烦意乱。work for为…工作。distract转移(注意力)，分散(思想)。contentrate集中精力，浓缩。distort使变形，歪曲，曲解。capture抓住，捕获。