This is the first time that your parents have been abroad ?A. haven’t theyB. hasn’t itC.

问题补充：

This is the first time that your parents have been abroad, ?

A. haven’t they

B. hasn’t it

C. aren’t they

D. isn’t it

答案：

A. haven’t they

B. hasn’t it

C. aren’t they

(答案→)D. isn’t it

解析：

这题考查反意问句的用法：一般情况下,反意问句是根据主句来决定，这句话是根据This is the first time，做反意问句，所以选D。