It’s the first time that he has been to Australia ?A. isn’t heB. hasn’t heC. isn’t itD.

问题补充：

It’s the first time that he has been to Australia, ?

A. isn’t he

B. hasn’t he

C. isn’t it

D. hasn’t it

答案：

A. isn’t he

B. hasn’t he

(答案→)C. isn’t it

D. hasn’t it

解析：考查反义疑问句。按照前肯后否的句式，主句反问，选C符合语法表达习惯。