Sarah had her washing machine repaired the day before yesterday,

Sarah had her washing machine repaired the day before yesterday, _____ she?


A、had
B、did
C、didn't
D、hadn't
【正确答案】：C
【题目解析】：本题考查反意疑问句。句意：Sarah前天把她的洗衣机拿去修理了，是吗？have＋宾语＋repaired里的have是行为动词，不是助动词，另外，句子中明显的过去时间状语，所以反意疑问句用didn't。