[size=18]For protection from the summer sun, the Mojave lived in open-sided, flat-topped dwellings known as shades, [u]each a roof of poles and arrowweed [/u]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[/size]
答案為A,還請大家賜教...謝謝!!