C. To support the main idea.
Well a digression is a temporary departure from the main subject in speech or writing. So because the person writing the paragraph getting ill last year has nothing to do with this years cookie sale, I think you are correct, sentence 3 is an example of a digression. So D is the answer.
He actually thought a document created by a committee would be faulty, not a computer. And he thought a document created by a committee would be faulty because it would not be a true opinion of one person. He believed that if there are too many opinions on one idea, the actual idea can become flawed.
Hope I helped:)
I would say B because they are asking you to re-write it form medusa point not presus because they already told it from his point of view.Don't for get rate me.Answers B