[解析]
(1)细节理解题。根据原文第一段Usually taken in the late afternoon,it is also called "low tea" as it is served at a low table.(这种茶通常在下午晚些时候喝,也被称为"低茶",因为它是放在一张矮桌子上喝的。)可知,是因为茶是在矮桌子上喝的。故选C。
(2)细节理解题。根据原文第二段This very British tradition is said to have been started around 1840 by Duchess Anna Maria,(据说英国这个传统被公爵夫人安娜玛丽亚大约始于1840年,)可知,是Duchess Anna Maria发明的。故选A。
(3)词义猜测题。根据原文第一段People are not only taking tea to get what their bodies need or satisfy hunger,but to take time to relax,chat and enjoy the company of dear friends.(人们喝茶不仅是为了满足身体的需要或充饥,也是为了有时间放松、聊天和享受好友的陪伴。)及第二段的During the long time between an early lunch and a very late dinner,(早些年的长时间里午餐和晚饭很晚,)及So she asked her serving girl to bring her a pot of tea,a little bread and butter and cake in her room.(于是她让侍女给她送一壶茶、一点面包、黄油和蛋糕到房间里去。)可知划线处指的是"饿了"D.A feeling of hunger.(一种饥饿的感觉)符合题意。故选B。
(4)推理判断题。根据原文最后一段第一句How much do people enjoy the afternoon tea moment?(人们有多喜欢下午茶?)可知,作者引用Henry James的话是为了表明人们对下午茶的喜爱。故选D。