Pompeii by so many tourists that some of the relics are not well protected.
A. has been visited
B. is visited
C. is visiting
D. was visited
网友回答
(答案→)A. has been visited
B. is visited
C. is visiting
D. was visited
解析：考查时态。句意：庞贝成被如此多的旅游者参观访问，以至于一些遗迹没有得到很好的保护。可知句子叙述的是现在已经完成的动作，庞贝城是动作的对象，故用完成时态被动语态，选A。