单选题 After ______appeared to be an endless waiting, it was her turn to be examined.
  • [A] that
  • [B] where
  • [C] which
  • [D] what


【正确答案】 D
【答案解析】名词性从句题。名词性从句可以在句子中充当主语，宾语等。由该题的上下文可知，after是介词，而空格处所缺的词又必须是appear的主语。故[D]正确。