题目选项分析

New statistics from the United States National Park Service reveal that for every tax dollar invested into visitors’ centers and services, trail maintenance, and wildlife preservation, at least ten dollars are returned to the country's economy that would not otherwise be spent in the parks’ neighboring communities.

New statistics from the United States National Park Service reveal that for every tax dollar invested into visitors’ centers and services, trail maintenance, and wildlife preservation, it returns at least ten dollars to the country's economy that would not otherwise be spent in the parks’ neighboring communities.