单选题 It is not an agreement ______, but it will serve as one.
A. on such B. for such C. as such D. in such

【正确答案】 C

【答案解析】as such=in that form or kind照那个样子/形式。e.g. He is a good man and is known as such to everyone．他是个好人，这一点人人公认。句意：这种形式不是协议，但可以当做协议用。