28. The writer wishes to add a sentence that describes the magnitude and expansiveness of the New York City Subway system today. Given that all the following statements are true, which one, if added here, would most clearly and effectively accomplish the writer's goal?
Your Answer is
Correct Answer is G
Explanation
The title requires "describe the magnitude (n. huge) and expansiveness (n. expansion) of the New York subway. Among the options, only G has a synonymous expression (656 miles of mainline track) that reflects the scale of the subway. Although item J has The specific number, but it describes the subway platform, not the subway itself, and cannot reflect the hugeness.