he came here again ()three days,A after B in C later D for 选

应该是after,用在过去式句子中,表示“……（时间）以后”.
in用于将来时,例如：he will come here again in three days,意思是“他三天后会再来这”.
later是副词,单独使用表示时间,不能用作介词.
for表示延续性,因此应与表示持续性的动词或者某一状态连用,例如：he has been here for three days,他在这呆了3天了.