问题补充：
You didn’t use to like him much when we were at school, ?
A. were we
B. weren’t we
C. did you
D. didn’t you
答案：
A. were we
B. weren’t we
(答案→)C. did you
D. didn’t you
解析：考查反义疑问句。根据反意疑问句的要求，当句子前面为肯定形式时，疑问部分要用否定形式；而前面为否定形式时，疑问部分则用肯定形式。此句前面为“You didn’t”，所以后面反问部分应为did you。
