GWD10-3

[訪客]

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

這題答案是a 請問一下為甚麼

[Behemoth]

討論過

http://www.formosamba.com/phpBB3/viewtopic.php?t=355

發問前可先瀏覽置頂主題 感謝~

[訪客]

SORRY 我只做到GWD第10回 所以還不知道第13回也有這一題而且有人回答過了 :-$