---You didn’t come to school by bike today &nbsp

问题补充：

---Youdidn’tcometoschoolbybiketoday,didyou?---______.It’sbroken.A.Yes, I didB.No, I didn’tC.Yes, I didn’tD.No, I did

答案：

B解析英语中反义疑问句的回答只依据事实进行回答,根据下文它打坏了,可知回答为否故选B.CD选项前后矛盾.