For protection from the summer sun, the Mojave lived in open-sided, flat-topped dwellings known as shades, each a roof of poles and arrow weed supported by posts set in a rectangle. A. each a roof of poles and arrow weed B. each a roof of poles and arrow weed that are being C. with each being a roof of poles and arrow weed D. with roofs of poles and arrow weed to be E. with roofs of poles and arrow weed that are 答案是A,请问这个是什么结构?句子和shades是什么关系?多谢
GWD-10-Q36:GWD-11-19 In Hungary, as in much of Eastern Europe, an overwhelming proportion of women work, many of which are in middle management and light industry. A. as in much of Eastern Europe, an overwhelming proportion of women work, many of which are in B. as with much of Eastern Europe, an overwhelming proportion of women works, many in C. as in much of Eastern Europe, an overwhelming proportion of women work, many of them in D. like much of Eastern Europe, an overwhelming proportion of women works, and many are E. like much of Eastern Europe, an overwhelming proportion of women work, many are in 答案C, 为什么as可以不接句子?没有查到这种用法呢
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