Final answer:
The main purpose of the passage is to inform readers about the history and significance of Central Park, its design, and its impact on urban planning. The correct answer is a. To inform.
Step-by-step explanation:
The author's main purpose in the passage about Central Park is to inform. The text provides a historical overview of the park's creation, mentioning its designers Frederick Law Olmsted and Calvert Vaux, and the impact of the park's design on urban planning.
The passage details the efforts to create a tranquil green space for city dwellers, the engineering feats involved in its construction, and the nature of its use by the public.
This indicates that the author's intent is to educate the reader about Central Park rather than to entertain, analyze, or persuade.
The passage provides historical information about the creation of Central Park in New York City, discussing the planning and engineering involved, as well as the role of Frank Law Olmstead and Calvert Vaux as the park's designers. It also highlights the park's purpose as a central escape from the city surroundings.