I often read China Daily of great help to my English study.A. which I think isB. which I

问题补充：

I often read China Daily, of great help to my English study.

A. which I think is

B. which I think it is

C. that I think is

D. I think is

答案：

(答案→)A. which I think is

B. which I think it is

C. that I think is

D. I think is

解析：这题考查的是非限制性定语从句的用法，非限制性定语从句不能用that引导，定语从句中关系代词做的是主语，不能省略，I think这里是插入语，可以先忽略，剩下which is就对了。选A。