一道sat很简单的语法题!

so that 已有连接的作用
在这里用了
就不需 and
所以 and so that便不好
况且如在这里用so that
原句宜改为
Fabric was so expensive in the United States before the Industrial Revolution
that scraps were saved and recycled into such items as patchwork quilts
and doll clothes.
即不用very 而用 so