---Can you let me know yesterday?
---Because the traffic was bad.
A. why did you e late
B. why you came late
C. why do you e late
D. why you e late
网友回答
A. why did you e late
(答案→)B. why you came late
C. why do you e late
D. why you e late
解析：本题考查的是特殊疑问句作为宾语从句，要用陈述句语序，同时要注意时态一致，故选B