it is （）cold that we have to stop working.A.too

such和so都可以用来表示程度,意思是“如此；这样”
such（adj.）+不可数名词+that从句.如：
It was such bad weather that I had to stay at home.天气太坏,以致我不得不呆在家里.
so是副词,与形容词或副词连用,其结构是：so+adj.（adv.）+that从句.如：
He ran so fast that I couldn’t catch up with him.他跑得那么快,我赶不上他.
二、表示“像……这样的”such .as 和such as 的用法如下
He is not such a fool as he looks.他并不像他看起来那么傻.
Such men as he (is) are rare now.现在像他这样的人很少了.
We had hoped to give you a chance such as nobody else ever had.我们本来希望给你一个别人从未有过的机会.
Then I left it,feeling a weight at my heart such as I had never had before.然后我离开那里,心头感到一种前所未有的沉重心情.
so as to do sth =in order to do sth ,so .that
such +adj +名词 that

A

C
so that句型。

c，so that 如此，，，以至于

c
强调句的结构，so……that

选C，so that 固定句型，如此……而不能