Could you tell me the bike without any help this morning?
A. how does he fix up
B. how he fixes up
C. how he fixed up
D. how did he fix up
网友回答
A. how does he fix up
B. how he fixes up
(答案→)C. how he fixed up
D. how did he fix up
解析：句意：你能告诉我今天早上在没有任何帮助的情况下，他是怎么修理自行车的？宾语从句用陈述句的语态，并且根据时态表示今天早上的事情，故用一般过去时，故选C