单选题 Someone is ringing the doorbell. Go and see ______.
  • A.who is he
  • B.who he is
  • C.who is it
  • D.who it is
【正确答案】 D
【答案解析】[解析] 宾语从句的语序要用陈述语序。如不清楚所谈到的那个人是男是女时，要用it来代替。