On top of the mountain which was built 2 000 years ago.A. a tower standsB. stands a towe

问题补充：

On top of the mountain , which was built 2,000 years ago.

A. a tower stands

B. stands a tower

C. standing a tower

D. does a tower stand

答案：

A. a tower stands

(答案→)B. stands a tower

C. standing a tower

D. does a tower stand

解析：

试题分析:考查倒装句。介词短语做状语位于句首，后面用完全倒装，所以B选项正确。句意：在山顶矗立着一个塔，这个塔是2000年前建成的。