Ⅲ．听句子，选择正确的答语．（５分）
  (   )11. A . Fine. B. Good morning . C . Yes,I am .
  (   )12. A . Yes,I am . B. Thanks . C . No , I’m not .
  (   )13 . A . How do you do? B . How are you? C . Nice to meet you , too .
  (   )14 . A .How do you do? B. I’m fine , thanks. C . How are you?
  (   )15 . A .How are you? B . See you later. C .I’m OK,thanks.