Opinion writing is an opportunity for the author to provide the reader all of the following except what?

Afacts and evidence which support the topic
Bthe author's opinion
Csupporting information for the opposing side

Verified Answer :

C, it would be quite contradicting to say something supportive of the other side.

Supporting information for the opposing side wouldn't make for a very good piece of writing. So, the answer is C. supporting information for the opposing side.