单选题 In the former Soviet Union several cases have been reported recently ______ people who can read and detect colors with their fingers, and even see through solid doors and walls.
  • A. of
  • B. on
  • C. about
  • D. with
【正确答案】 A
【答案解析】[解析] several cases of people who...have been reported。由于主语的后置定语太长，所以将谓语前移，以避免句子头重脚轻。