单选题 It's the first time that she has been to the museum, ______?
A. isn't it B. hasn't it C. isn't she D. hasn't she

【正确答案】 A
【答案解析】[解析] 主从复合句的反意疑问句应该与主句保持一致，主句的主语为it，谓语动词为is。因为主句是肯定形式，所以反意疑问句采用否定形式。