Which sentence from the passage develops the idea that the Points of Light Conference is inspiring? A. "A collective can-do attitude created such an atmosphere of support and optimism that it couldn't be escaped!" (paragraph 5) B. "This was the first year of the Global track at the conference, and I feel so honored to have taken part in celebrating this milestone!" (paragraph 4) C. "The enthusiasm of each individual who attended the conference was undeniably contagious." (paragraph 5) D. "This sort of innovation is truly ingenious–-an undeniable mainstay of productivity that any society should prize." (paragraph 2)