All of these could be considered an "author's purpose". An author is technically anyone who writes anything, therefore the purpose of writing is theoretically limitless. If you have to choose one of these, however, it would be "to remind".
Answer:
B. A woman tries to survive in the wilderness after being stranded in a plane crash.
Explanation:
Internal conflict are problems that happen in the protagonist itself.
External conflict are problems that environmental things cause to the protagonist.
In option A, it is internal because he "doesn't think he's good enough."
In option B, it is external because 1) the woman got stranded from a plane crash and 2) she needs to survive the animals or any other environment problems around her.
In option C, it is internal because he "struggles to decide"
In option D, it was up to the protagonist itself if she would choose her fans over her friends.
The correct option is D. Web diagram is a file that allow one to visualize, map and modify a work as necessary. To narrow down a research study, web diagram can be used to collect information about the different aspects of the research work and you can then decide on the specific aspect you want to focus on depending on the results you get from your web diagram.