Yes , a rough draft is a preview of brainstorming of thoughts and ideas you want to write about and how you can rewrite them better with proper grammar and organization.
Sally’s use of the photos would be plagiarism
A because most people would know the artist who made it if they have seen it because people give credit and people don’t really look extremely concentrated when there looking at it, it’s whether they like it or if they don’t like it they can also say b that’s also a good answer but a is for me