The wounded policeman though doctors made every effort to save him.
A. died
B. had died
C. killed
D. has been dead
网友回答
(答案→)A. died
B. had died
C. killed
D. has been dead
解析：考查时态，句意：尽管医生们尽了最大努力来拯救他的生命，但是这个受伤的警察还是死了。结合语境可知本句描述的过去的状态，故用一般过去时态，死亡是警察的主动动作，kill是杀死的含义，故选A。