阅读下面的对话或句子,从A、B、C三个选项中选出一个能填入空白处的最佳选项。
A good tour guide tells visitors ______.
(analysis)
.What they couldn\.t miss during the trip
.What during the trip they couldn\.t miss
.What couldn\.t miss they during the trip

出自:2024年国家开放大学答案