is know to all china will be an and powerful country in 20 or 30 year’ time. A. That ad

问题补充：

is know to all, china will be an and powerful country in 20 or 30 year’ time.

A. That, advancing

B. This, advanced

C. As, advanced

D. It, advanced

答案：

A. That, advancing

B. This, advanced

(答案→)C. As, advanced

D. It, advanced

解析：考查固定词组，As is know to all意思“众所周知”， advanced意思“先进的”，句子意思“众所周知，中国在或30年内将成为先进的和有实力的国家”，所以选C