The correct answers are:
B) The writer accepts and implements constructive feedback about the paper.
D) The writer practices writing several drafts of the paper.
All good writers should make many drafts of their piece of work prior to compose the final copy. Thus they can edit it or correct any mistake or make any changes before finalizing their composition.
F) The writer makes sure there are no grammatical errors in the paper.
It is fundamental that grammar structures are correct to convey the message properly, so that the reader will understand it well.