Nowadays many people set up their own Blogs on the Internet they can express themselves

问题补充：

Nowadays many people set up their own Blogs on the Internet, they can express themselves freely or communicate with others.

A. which

B. to which

C. that

D. where

答案：

A. which

B. to which

C. that

(答案→)D. where

解析：此题重点考查定语从句的引导词。