题目

Kay and Charles Giddens sold their home to start a bed and breakfast. Four years later, the couple now dishes out banana pancake breakfasts, cleans toilets, serves homemade cookies to guests in a bed and breakfast surrounded by trees on a mountain known for colorful sunsets.     “Do I miss the freeways? Do I miss the traffic? Do I miss the trees? No,” says Ms. Giddens. “This is a phenomenon that’s fairly widespread. A lot of people are rethinking their lives and figuring out what they want to do.”     Simple living ranges from cutting down on weeknight activities to sh12．我国现存最早的一部完整的农书是（　　）A．贾思勰《齐民要术》B．王羲之《兰亭序》C．钟繇《宣示表》D．韩非子《伤寒杂病论》