单选题 Card-holders of Holiday Sunshine Hotel automatically become registered members of its Reservation(预定) Network. They are able to enjoy the services offered by its member hotels. WP encourage card-holders to use the card as often as possible, and they will be awarded with prizes when their marks(积分) reach a certain amount. Before checking into a hotel, please always reserve your room first. When you check out, you will only have to pay the member price.