A writer needs one body paragraph for a synthesis essay about whether national parks should cap visitors in fragile areas. Thesis: National parks should cap visitors in fragile areas because access to public land must be managed so that the resources visitors come to experience are not damaged by overcrowding. Source set: A--a ranger report documents trail erosion and vegetation loss during peak months; B--a local business owner worries that visitor caps will reduce tourism income; C--a park scientist explains that timed permits can spread use across less crowded periods. Which plan best integrates evidence and commentary?