After he became conscious, he remembered and on the head with a rod.
A. to attack; hit
B. to be attacked; to be hit
C. attacking; hitting
D. having been attacked; hit
网友回答
A. to attack; hit
B. to be attacked; to be hit
C. attacking; hitting
(答案→)D. having been attacked; hit
解析：remember to do sth.表示“记得要做某事”而 remember doing sth.表示“记得曾做过某事”，故排除A和B。又因为主语“he”和动作“attack”之间是被动关系，故用被动语态，选D。