As the old empires were broken up and new states were formed, new official tongues began to at an increasing rate.
A. bring up
B. build up
C. spring up
D. strike up
网友回答
A. bring up
B. build up
(答案→)C. spring up
D. strike up
解析：考察动词短语辨析。A抚养，抚育；B建设，修建；C涌现，出现；D开始；句意：随着旧的王国分解，新的王国形成，新的正式的语言以很高的速度在涌现。根据句意说明C正确。