单选题 I knew nothing of the motives behind his recent move, and {{U}}I don't know either the person to{{/U}} put him up to the action.

【正确答案】 A

【答案解析】[分析]固定搭配及结构应用表示“也不……”，可用not do…either，或nor do sb.do...；因前面用的是过去时，所以本句应用nor did I know the person who…因此A为答案。