Q3: 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
Why choose A? pls help to transfer. thanks | 
