Answer: simple, compound, compound, simple, compound, and simple
Explanation:
Below is the excerpt that can be found elsewhere:
<span>Now some millmen want to cut all the Calaveras trees into lumber and money. But we have found a better use for them. No doubt these trees would make good lumber after passing through a sawmill, as George Washington after passing through the hands of a French cook would have made good food. But both for Washington and the tree that bears his name higher uses have been found.
</span>
The answer is D.
1-4 look correct to me.
for #5, you are correct that to come is not a prepositional phrase because there is no object. If I were you, I'd leave it alone and keep the one next it. all others look correct.