Could you tell me the bike without any help this morning?
A. how does he mend
B. how he mended
C. how he mends
D. how did he mend
网友回答
A. how does he mend
(答案→)B. how he mended
C. how he mends
D. how did he mend
解析：本题考查宾语从句。宾语从句要用陈述语序，排除A 和 D；结合句意“今天早上没有帮助的情况下，你是怎么修的自行车”可知mend发生在过去。