求正解

kun861010

For protection from the summer sun, the Mojave lived in open-sided, flat-topped dwellings known as shades, each a roof of poles and arrowweed supported by posts set in a rectangle.



each a roof of poles and arrowweed

each a roof of poles and arrowweed that are being

with each being a roof of poles and arrowweed

with roofs of poles and arrowweed to be

with roofs of poles and arrowweed that are

正确答案是A。我怎么也搞不懂，为什么each前面没有连词或者介词？each应该是修饰dwellings的吧？

sayysong

each　引导独立主格结构，其修饰的是前面的ｄｗｅｌｌｉｎｇ，强调每一个。

kun861010

each引导的不是应该是句子吗？如果想上面一样，那个each引导的不就是个phrase了嘛？

sayysong

each引导独立主格结构，可以省略谓语的