That Which What选择哪个?____ surpised us most was the city's beautiful scenery at night.

That Which What选择哪个?____ surpised us most was the city's beautiful scenery at night.
That Which What选择哪个?
____ surpised us most was the city's beautiful scenery at night.

That Which What选择哪个?____ surpised us most was the city's beautiful scenery at night.
What
让我最惊讶的是城市晚上的美丽夜景.
这里是主语从句,引导词在从句中充当主语,所以排除That,that在主语从句是不充当成分的,只起连接作用.而which可以做主语和宾语,但是指哪一个,不符合意思.选what,表示所.的,是.的

what 主语从句 what surpised us most 做整个句子的主语

what

what