It is not an idea the community can unite.On the contrary I see it as one that will divid

问题补充：

It is not an idea the community can unite.On the contrary,I see it as one that will

divide us.

A. that

B. which

C. around that

D. around which

答案：

A. that

B. which

C. around that

(答案→)D. around which

解析：考查定语从句。从结构上看idea是先行词，首句句意为：这不是一个凝聚人心的思想，即：它不能把人们团结在它的周围。因此选around which。