问题
选择题
“Well done, John.！ Not a single mistake _____ in your exam paper this time！”said the teacher.
A．you made
B．did you make
C．had you made
D．you have made
答案
答案：B
考查倒装句，此题为否定词放在句首使用部分倒装，根据语境，考试已经考过了所以应用一般过去式，故助动词did前提，选B。