Over the past 20 years the once-sleepy fishing village into an international tourism destination, with many visitors ing to explore its spectacular rainforests and beaches．
A. was transformed
B. was transferred
C. has been transformed
D. has been transferred
网友回答
A. was transformed
B. was transferred
(答案→)C. has been transformed
D. has been transferred
解析：考查时态和被动语态，由时间状语Over the past 20 years可以确定用完成时，因为渔村自己本身不会转变成旅游景点，所以用被动语态，句子意思“在过去的20年沉睡的渔村被转变成旅游景点，许多游客来研究壮观的雨林和海滩”，所以选C