--Did your brother know ?
--No，I didn’t tell him about it．
A. where do you work
B. Where you worked
C. Where did you work
D. Where are you working?
网友回答
A. where do you work
(答案→)B. Where you worked
C. Where did you work
D. Where are you working?
解析：英语宾语从句中一般为陈述语序。句意：你的哥哥知道你在哪儿工作吗？结合语境可知从句描述的是过去某时发生的动作，故用一般过去时态。故选B。