关于反意疑问句的回答-Few well-known singers came to the concert,did th

答案应是Yes,they did.完整的句子是Many well-known singers came to the concert.反意疑问句的回答原则是不看问句的肯定否定,只看事实."是"就用"yes","不是"就用"no".当然这句话很难理解.如:
The earth moves around the sun,doesn't it?
The earth doesn't move around the sun,does it?
这两句的回答其实都是:Yes,it does.

Yes, they did.