gwd10-3

gwd10-3

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.

A. each a roof of poles and arrowweed

B. each a roof of poles and arrowweed that are being

C. with each being a roof of poles and arrowweed

D. with roofs of poles and arrowweed to be

E. with roofs of poles and arrowweed that are

Answer:A

不明白阿

哪位NN能帮我分析一下这道题

谢谢了

Finally, i find the discussion.

http://forum.chasedream.com/dispbbs.asp?boardid=23&replyid=1352863&id=63596&page=1&skin=0&Star=1