A number of tourists Yangzhou many times because it is such a beautiful city.A. has been

问题补充：

A number of tourists Yangzhou many times because it is such a beautiful city.

A. has been to

B. have been to

C. has gone to

D. have gone to

答案：

A. has been to

(答案→)B. have been to

C. has gone to

D. have gone to

解析：句意：许多游客去过扬州很多次，因为它是如此美丽的一个城市。在完成时态中has been to 是已经去过某处，并且已经回来了。has gone to 是已经去了某处，但是到目前为止还没有回来。 has been in 是已经在某处，并且现在还在那里，而且有可能要延续下去。 结合语境可知选B。