按照承保方式分类，（）是由几个保险人联合直接承保同一保险标的、同一风险、同一保险利益的保险。

A.再保险

B.共同保险

C.复合保险

D.重复保险

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