During the revising stage in the writing process, the author _____.?

A) corrects major errors and improves the work’s content

Revising Stage

Corrects major errors is 100% the right answer

I just took a test and the same question was in it and it was A

I would say A) (I think D) would be described as editing and proofreading.)

All of them are pertinent, but, if one must be chosen, D is probably best.