The answer is B, I hope this helped
Well number six you should take the comma out between complaint and demanding
I think this will work:
There was only the churned water, filled with scantlings and torn branches of trees. ... It will send up the price of scantlings, and we was getting on too fast with them. About all the timber required to erect one of these houses is for joists, scantlings, and doors.
This is an adequate subject because there is no surplus of information or anything that can be removed.
Email is a quick and professional way to communicate. It is a common communication technique and nearly anyone has it for professional purposes, such as work or school.