40 POINTS PLEASE HELP

I'm really not even sure what this question is asking of me, I'm super confused and would love to have some help please.

5. When creating an outline, it should be balanced. Constructing parallel headings is a practice which helps to balance an outline. Which example heading in NOT parallel to the rest.

A. Organizing
B. Writing the first draft
C. To edit (I think this may be the answer)