is know to us all China has its own English language newspaper.A. itB. whichC. thatD. a

问题补充：

is know to us all, China has its own English language newspaper.

A. it

B. which

C. that

D. as

答案：

A. it

B. which

C. that

(答案→)D. as

解析：as非限制性定语从句才能位于句首。