When asked by the police, hes said that he remembered____at the party, but not____

remember to do 是记得要做或者应该做某事。
remember doing 是记得做过某事。
这句话的意思是当被警察询问时，他说他记得到过这个party,但是不记得离开过。当然用remember doing了。用to do意思不对。

remember doing sth 记得做某事

doing 对应的俄也是doing的事态

remember doing 是记得做过某事,指已经做过
remember to do 是记得要去做某事,指还没做
根据文意,当被警察询问时,他说他记得他曾有到过PARTY,但并没有离开过

c：arriving, leaving

C