单选题 The professor has finished ______ the students' papers.
  • A) to correct
  • B) in correcting
  • C) correcting
  • D) being corrected


【正确答案】 C
【答案解析】finish doing sth. 意思是：完成作某事。没有finish to do sth.。D项是被动语态，意思不对。