How do the heading in the body of this article help to organize the information?

A. The headings show that each section is about a technology Sylvia Earle has helped develop

B. The heading show that each section describes an organization Sylvia Earle has started

C. The headings show that each section describes a separate time period of Sylvia Earle’s life

D. The headings show that each section is about one of Sylvia Earle’s important roles