Should Jared edit each time he finishes a​ draft?

A. ​Yes, he should always edit after every draft.
B. Yes, he should because editing is the most important stage of the writing process.
C. No, he only needs to edit​ once, when he is sure he​ won't revise any further.
D. No, he​ shouldn't because the spelling and grammar checker could do it for him.