China has launched another man－made satellite is announced in today's newspaper.A. thatB.

问题补充：

China has launched another man－made satellite， is announced in todays newspaper.

A. that

B. which

C. who

D. what

答案：

A. that

(答案→)B. which

C. who

D. what

解析：句意：中国发射了另外一颗人造卫星，这已经在今天的报纸上宣告了。通过分析句子结构，可知这个句子中包含一个非限制性定语从句，且关系词指代前面整个主句的内容，故只能用which，选B。