Across North China in the world, namely the Great Wall.
A. the longest wall runs
B. runs the longest wall
C. does run the longest
D. does the longest wall run
网友回答
A. the longest wall runs
(答案→)B. runs the longest wall
C. does run the longest
D. does the longest wall run
解析：考查倒装句。本题是把做地点状语的介词短语放在句首，后面的主语是名词，故使用全部倒装的形式。句意：横穿中国北部的是一条长长的城墙，即长城。故B正确。