what to visit/where to visit

题目

what to visit/where to visit
could you tell us __ in this city?
a.what to visit b.where to visit c.what to visit it d.where to visit it
正确答案应该是什么?a与b有什么区别?

答案

visit是参观 参观当然就是参观地方咯 既然已经明确参观地方
就不能用what……英语没有这么用的!
至于c d中的it 根本太荒谬了
既然还不知道去哪参观it又指代的什么呢?