【题目】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】D
【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。