题干
-- Welcome to our school.
-- .
A：Yes, I am
B：Oh, good
C：Thank you
D：No, I'm not
答案(点此获取答案解析）
C
-- Welcome to our school.
-- .
A：Yes, I am
B：Oh, good
C：Thank you
D：No, I'm not
件符合它需要的是 ( )