Select the correct answer.

Leon is revising the outline he wrote for his topic "NASA spin-off technologies."

IV. Main Point 2: Everyday use of NASA technologies
A. Description of main point: Many of the products we use on a regular basis were first created for use in outer space.
B. Evidence from sources: Give examples of some of the commercial products that were developed by NASA scientists.
C. Analysis: Explain how these products have improved society.
D. Link to thesis and next main point: Show how NASA has continued to work with the private sector to improve daily life.

How can Leon best revise this section of his outline?

A. He can rewrite the outline based on new research.
B. He can edit the outline for grammar and mechanics.
C. He can select a new topic to research instead.
D. He can plan the outline in greater detail.