单选题:It's reported that by the end of this month the output of ce 题目分类:公共英语四级 题目类型:单选题 号外号外:注册会员即送体验阅读点! 题目内容: It's reported that by the end of this month the output of cement in the factory ( )by about 10%. A.will have risen B.has risen C.will be rising D.has been rising 参考答案: 答案解析: