I have no answer to the question,and he knows nothing about it,___英语解答

I have no answer to the question,and he knows nothing about it,__.A.either B.too C.also D.but
知道答案的亲请顺便说下原因,

人气：282 ℃　时间：2020-03-17 05:15:15

解答

A.either
否定句中末尾用either表示“也”.
肯定句中末尾则用too.