— does your father do?
—He’s a policeman. He works a police station.
A. What, in
B. Where, at
C. Where, in
D. What, on
网友回答
(答案→)A. What, in
B. Where, at
C. Where, in
D. What, on
解析：根据下文的内容He’s a policeman，可知文的某人的职业，同时还要注意在···police station，用介词in，可知答案为A