Please tell me last year. A. where does your sister workB. where did your sister work C.

问题补充：

Please tell me last year.

A. where does your sister work

B. where did your sister work

C. where your sister works

D. where your sister worked

答案：

A. where does your sister work

B. where did your sister work

C. where your sister works

(答案→)D. where your sister worked

解析：根据时间状语last year，可知句子要用一般过去时，排除A,C;且tell后的宾从要用陈述语序，所以选D。