What measures can hoteliers take to prevent the commercialization of hotels? A: Downward price B: Establish membership system C: Providing quality service D: Bundling sale

4. Lily Liu, one of the organizers of last November's first-ever China Luxury Travel Fair in Shanghai, which brought high-end hoteliers and tony travel providers together with prospective clients. A: A. proponent B: B. potential C: C. pleasing D: D. eligible