Question

--Laura didn’t join in their dancing last night , did she ?

--________________, because she fell off her bike and hurt her legs

1. A.
   Yes, she did
2. B.
   No, she didn’t
3. C.
   Yes, she didn’t .
4. D.
   No, she did

Answer 1

B
B 反意疑问句的回答根据事实，肯定用yes，否定用no。根据句意，她从自行车上摔下来伤到腿了。可知，她没去。排除A/C, D项前后矛盾。故选B。