Could you tell me_____the bike without any help this moring?

题目

Could you tell me_____the bike without any help this moring?
A.how did he repair B.how he repaired C.how does he repair D.how he repairs
写出理由

答案

B.how he repaired 理由 tell+how引导的宾语从句用陈述句形式,并且动词应是过去式有不懂得还可以问啊!更上一层楼!