How does preparing an outline help a writer avoid plagiarism?

A$.)$

When creating an outline, the writer composes full body paragraphs for the essay.

B$.)$

When creating an outline, the writer does not need to consider source materials.

C$.)$

When creating an outline, the writer plans a thesis statement and main ideas in her own words.

D$.)$

When creating an outline, the writer can quote another writer's words without citing them.