Answer:
A. For a variety of reasons, cotton is arguably the most important fabric known to humankind.
Explanation:
A thesis statement usually appears at the conclusion of the introductory paragraph of a paper. It offers a <u>concise summary</u> of the main point or claim of the essay, research paper, etc. It is usually expressed in <u>one sentence</u>, and the statement may be reiterated elsewhere.
I think it is c hope it helps