---You have been on tour for a week in our city during May Day. What do you think about it?
---Oh, what _______different Nanjing! It isn’t _______I saw last.

A．/; the one

B．a; the one

C．a; one

D．/; one

科目 英语   题型 单选题   难度 较易

知识点： 与数量有关的代词和限定词