english question for junior 3

题目

english question for junior 3
-You can't speak to your friends so impolitely,___you'll lose them forever.
-Sorry,I won't do it again.
A.because B.and C .or D.for
Why should choose

答案

选C..偶给你解释一下哈..问:你不能这么没礼貌的和朋友讲话,(否则)你将永远失去他们.or就素有"否则"的意思.你平时要多注意积累.^-&