Parallel construction means that you

A. use the same grammatical construction in all similar headings throughout an outline.

B. give both sides of the argument in your essay.

C. repeat the first paragraph of your essay as the last paragraph.

D. begin each paragraph of your essay in the same way.

Answer A. use the same grammatical construction in all similar headings throughout an outline. Parallel construction means that you use the same grammatical construction in all similar headings throughout an outline.