How does the author’s choice of text structure in “Online Programs to Train Your Brain” impact the claim that online brain training improves brain health? A. The author uses sequencing to show how online brain training works.

B. The author uses reasons and evidence to support the idea that online brain training is effective.

C. The author uses problems and solutions to strengthen the claim by showing a need for online brain training.

D. The author uses cause and effect to explain how online brain training increases intelligence over time.