Need help with this sentence

On the Great Plains, nineteenth-century settlers used mud and grass to build their homes, doing it without timber and nails.
A. settlers used mud and grass to build their homes, doing it without
B. settlers, using mud and grass to build their homes, did it without
C. settlers used mud and grass to build their homes, making them while not having
D. settlers used mud and grass to build their homes, making do without
E. settlers' homes were built of mud and grass, making do without

While not having is not the proper usage in C .
In E , Making do modifies the Settlers' homes instead of Settlers.

Make do is an idiom .