单选题 From the dates ______ on the gold coin, we decided that it was made five hundred years ago.
  • A. marking
  • B. marked
  • C. to be marked
  • D. having been marked


【正确答案】 D
【答案解析】首先date是mark动作的承受者，故应用分词的被动式。其次mark的动作发生在decided这一过去式的动作之前，所以要用完成式。两项综合选D，分词的完成被动式。