Erick is writing a research-based expository essay on the benefits of learning to code early in life. Which topic sentence most effectively introduces his essay?

A strong topic sentence should introduce the essay’s subject and its focus without making unsupported claims. Choice A defines coding briefly and connects learning it at a young age to future benefits, matching the essay’s topic. Choices B and D make sweeping claims about achieving goals or gaining an edge, while C shifts attention to computers more generally.

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